Jone's penstemon, Jones' beardtongue
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little-flower penstemon, slender blue penstemon, small-flower beardtongue, small-flower penstemon
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Herbs. |
prostrate, decumbent, ascending, or erect, 2–14(–20) cm, pubescent to densely retrorsely hairy. |
ascending to erect, 3–55(–70) cm, glabrous or ± retrorsely hairy, not glaucous. |
basal and cauline, not leathery, retrorsely hairy; basal and proximal cauline petiolate, (5–)10–40(–55) × 4–14 mm, blade spatulate to oblanceolate, base tapered, margins entire, apex obtuse to acute, rarely rounded; cauline 1–3 pairs, sessile, 12–38 × 3–7 mm, blade oblanceolate, not arcuate, base tapered, margins entire, apex obtuse to acute. |
basal and cauline, basal sometimes poorly developed, ± leathery or not, glabrous, puberulent, or retrorsely hairy; basal and proximal cauline 9–90(–115) × 2–19 mm, blade spatulate to oblanceolate, lanceolate, or elliptic, base tapered, margins entire, apex rounded to obtuse or acute; cauline 2–6 pairs, sessile or proximals sometimes short-petiolate, 6–85 × 1–17 mm, blade oblanceolate to spatulate, obovate, oblong, elliptic, lanceolate, or linear, base tapered to clasping, margins entire, apex rounded to obtuse or acute. |
continuous, cylindric, 0.5–8(–10) cm, axis retrorsely hairy, verticillasters 1–4(–7), cymes 1- or 2(–4)-flowered, 1 or 2 per node; proximal bracts oblanceolate to lanceolate, 12–34 × 2–8 mm; peduncles and pedicels retrorsely hairy, sometimes sparsely glandular-pubescent. |
interrupted, cylindric, 0.5–23 cm, axis glabrous or retrorsely hairy, verticillasters 1–8(–11), cymes 3–11-flowered, 2 per node; proximal bracts lanceolate to linear, 10–50(–60) × 1–8(–16) mm, margins entire; peduncles and pedicels erect, glabrous, puberulent, or retrorsely hairy. |
calyx lobes lanceolate, 4–6 × 1–1.9 mm, retrorsely hairy, sometimes sparsely glandular-pubescent; corolla light blue to blue or violet, with, rarely without, faint blue or reddish purple nectar guides, funnelform, 14–20 mm, glandular-pubescent externally, sparsely white-lanate internally abaxially, tube 6–7 mm, throat gradually inflated, not constricted at orifice, 4–7 mm diam., slightly 2-ridged abaxially; stamens included or longer pair reaching orifice, pollen sacs opposite, navicular, 0.9–1.2 mm, dehiscing completely, sutures papillate; staminode 7–10 mm, included or reaching orifice, 0.7–0.9 mm diam., tip recurved to coiled, distal 5–8 mm sparsely pubescent to lanate, hairs yellow or yellow-orange, to 1 mm; style 10–12 mm. |
calyx lobes ovate to obovate or lanceolate, 1.2–5(–5.5) × 0.5–2 mm, apex truncate, obtuse, acute, acuminate, cuspidate, caudate, or mucronate, glabrous or puberulent to retrorsely hairy; corolla violet to blue or purple, with, sometimes without, reddish purple nectar guides, funnelform, 7–11 mm, glabrous externally, moderately white- or yellow-lanate internally abaxially, tube 2–3 mm, throat slightly inflated, 2–3 mm diam., 2-ridged abaxially; stamens included, pollen sacs opposite, explanate, 0.3–0.6 mm, dehiscing completely, connective splitting, sides glabrous, sutures smooth or papillate; staminode 4–6 mm, included, 0.2–0.3 mm diam., tip straight to slightly recurved, distal 0.5–1 mm pilose, hairs yellow or golden yellow, to 0.6 mm, rarely glabrous; style 4–7 mm. |
4–6 × 4–5 mm. |
3–5 × 2–4 mm, glabrous. |
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Flowering May–Jun. |
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Gravelly soils, shadscale and sagebrush shrublands, pinyon-juniper woodlands. |
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1400–2100 m. (4600–6900 ft.) |
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NV; UT
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AK; CA; CO; ID; MT; ND; NV; OR; UT; WA; WY; AB; BC; MB; SK; YT
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Penstemon dolius is known from east-central Nevada (Elko, Nye, and White Pine counties) and west-central Utah (Beaver, Juab, Millard, Sanpete, and Tooele counties). Penstemon dolius is distinguished from P. duchesnensis by longer stems and leaves and more sparsely bearded staminodes. Corollas of P. dolius usually have nectar guides; P. duchesnensis appears to lack nectar guides. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Varieties 6 (6 in the flora). Penstemon procerus is a widespread, frequent, and highly variable species distributed throughout much of western North America. This variability has resulted in varied interpretations of its taxonomic units. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
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1. Calyx lobes (2–)3–5(–5.5) mm, apices acuminate, cuspidate, or short- to long-caudate. | → 2 |
2. Verticillasters (1–)3–8(–11); stems (6–)15–55(–70) cm; thyrses (1–)5–23 cm. | var. procerus |
2. Verticillasters 1 or 2(–5); stems 3–20(–28) cm; thyrses 1–5(–13) cm. | var. tolmiei |
1. Calyx lobes 1.2–3.2 mm, apices truncate to obtuse, acute, acuminate, mucronate, or short-caudate. | → 3 |
3. Verticillasters 1 or 2(–5); stems 3–15(–20) cm; cauline leaves 1–4(–8) mm wide. | var. formosus |
3. Verticillasters (1 or)2–6; stems (4–)8–35(–42) cm; cauline leaves 2–13 mm wide. | → 4 |
4. Calyx lobes 1.2–2.4 mm, apices truncate to obtuse or mucronate, rarely short-caudate or acute; Nevada. | var. modestus |
4. Calyx lobes (1.4–)1.8–3.2 mm, apices acute to acuminate or short-caudate; California, Oregon, Utah. | → 5 |
5. Pollen sacs 0.3–0.4 mm; corollas 7–10 mm; stems 10–35(–42) cm; Utah. | var. aberrans |
5. Pollen sacs 0.4–0.6 mm; corollas 9–12 mm; stems 9–20(–30) cm; California, Oregon. | var. brachyanthus |
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FNA vol. 17, p. 133. |
FNA vol. 17, p. 216. |
Plantaginaceae > Penstemon > subg. Penstemon > sect. Cristati |
Plantaginaceae > Penstemon > subg. Penstemon > sect. Penstemon |
P. abietinus, P. absarokensis, P. acaulis, P. acuminatus, P. alamosensis, P. albertinus, P. albidus, P. albomarginatus, P. ambiguus, P. ammophilus, P. anguineus, P. angustifolius, P. arenarius, P. arenicola, P. aridus, P. arkansanus, P. attenuatus, P. atwoodii, P. auriberbis, P. australis, P. azureus, P. baccharifolius, P. barbatus, P. barnebyi, P. barrettiae, P. bicolor, P. bleaklyi, P. bracteatus, P. breviculus, P. brevisepalus, P. buckleyi, P. caesius, P. caespitosus, P. calcareus, P. californicus, P. calycosus, P. canescens, P. cardinalis, P. cardwellii, P. carnosus, P. caryi, P. centranthifolius, P. cinicola, P. clevelandii, P. clutei, P. cobaea, P. comarrhenus, P. compactus, P. concinnus, P. confertus, P. confusus, P. crandallii, P. cusickii, P. cyananthus, P. cyaneus, P. cyanocaulis, P. cyathophorus, P. dasyphyllus, P. davidsonii, P. deamii, P. deaveri, P. debilis, P. degeneri, P. deustus, P. digitalis, P. diphyllus, P. discolor, P. dissectus, P. distans, P. duchesnensis, P. eatonii, P. elegantulus, P. ellipticus, P. eriantherus, P. euglaucus, P. fendleri, P. filiformis, P. flavescens, P. floribundus, P. floridus, P. flowersii, P. franklinii, P. fremontii, P. fruticiformis, P. fruticosus, P. gairdneri, P. gibbensii, P. glaber, P. glandulosus, P. glaucinus, P. globosus, P. goodrichii, P. gormanii, P. gracilentus, P. gracilis, P. grahamii, P. grandiflorus, P. griffinii, P. grinnellii, P. guadalupensis, P. hallii, P. harbourii, P. harringtonii, P. havardii, P. haydenii, P. heterodoxus, P. heterophyllus, P. hirsutus, P. humilis, P. idahoensis, P. immanifestus, P. incertus, P. inflatus, P. jamesii, P. janishiae, P. kingii, P. kralii, P. labrosus, P. laetus, P. laevigatus, P. laevis, P. lanceolatus, P. laricifolius, P. laxiflorus, P. laxus, P. leiophyllus, P. lemhiensis, P. lentus, P. leonardii, P. linarioides, P. longiflorus, P. lyallii, P. marcusii, P. mensarum, P. metcalfei, P. miser, P. moffatii, P. monoensis, P. montanus, P. moriahensis, P. mucronatus, P. multiflorus, P. murrayanus, P. nanus, P. navajoa, P. neomexicanus, P. neotericus, P. newberryi, P. nitidus, P. nudiflorus, P. oklahomensis, P. oliganthus, P. ophianthus, P. osterhoutii, P. ovatus, P. pachyphyllus, P. pahutensis, P. pallidus, P. palmeri, P. papillatus, P. parryi, P. parvulus, P. parvus, P. patens, P. payettensis, P. paysoniorum, P. peckii, P. penlandii, P. pennellianus, P. perpulcher, P. personatus, P. petiolatus, P. pinifolius, P. pinorum, P. platyphyllus, P. pratensis, P. procerus, P. pruinosus, P. pseudoputus, P. pseudospectabilis, P. pudicus, P. pumilus, P. purpusii, P. putus, P. radicosus, P. rattanii, P. retrorsus, P. rhizomatosus, P. richardsonii, P. roezlii, P. rostriflorus, P. rubicundus, P. rupicola, P. rydbergii, P. saxosorum, P. scapoides, P. scariosus, P. secundiflorus, P. seorsus, P. sepalulus, P. serrulatus, P. smallii, P. spatulatus, P. speciosus, P. spectabilis, P. stenophyllus, P. stephensii, P. strictiformis, P. strictus, P. subglaber, P. subserratus, P. subulatus, P. sudans, P. superbus, P. tenuiflorus, P. tenuis, P. teucrioides, P. thompsoniae, P. thurberi, P. tidestromii, P. tiehmii, P. tracyi, P. triflorus, P. triphyllus, P. tubaeflorus, P. uintahensis, P. utahensis, P. venustus, P. virens, P. virgatus, P. wardii, P. washingtonensis, P. watsonii, P. whippleanus, P. wilcoxii, P. wrightii, P. xylus, P. yampaënsis |
P. abietinus, P. absarokensis, P. acaulis, P. acuminatus, P. alamosensis, P. albertinus, P. albidus, P. albomarginatus, P. ambiguus, P. ammophilus, P. anguineus, P. angustifolius, P. arenarius, P. arenicola, P. aridus, P. arkansanus, P. attenuatus, P. atwoodii, P. auriberbis, P. australis, P. azureus, P. baccharifolius, P. barbatus, P. barnebyi, P. barrettiae, P. bicolor, P. bleaklyi, P. bracteatus, P. breviculus, P. brevisepalus, P. buckleyi, P. caesius, P. caespitosus, P. calcareus, P. californicus, P. calycosus, P. canescens, P. cardinalis, P. cardwellii, P. carnosus, P. caryi, P. centranthifolius, P. cinicola, P. clevelandii, P. clutei, P. cobaea, P. comarrhenus, P. compactus, P. concinnus, P. confertus, P. confusus, P. crandallii, P. cusickii, P. cyananthus, P. cyaneus, P. cyanocaulis, P. cyathophorus, P. dasyphyllus, P. davidsonii, P. deamii, P. deaveri, P. debilis, P. degeneri, P. deustus, P. digitalis, P. diphyllus, P. discolor, P. dissectus, P. distans, P. dolius, P. duchesnensis, P. eatonii, P. elegantulus, P. ellipticus, P. eriantherus, P. euglaucus, P. fendleri, P. filiformis, P. flavescens, P. floribundus, P. floridus, P. flowersii, P. franklinii, P. fremontii, P. fruticiformis, P. fruticosus, P. gairdneri, P. gibbensii, P. glaber, P. glandulosus, P. glaucinus, P. globosus, P. goodrichii, P. gormanii, P. gracilentus, P. gracilis, P. grahamii, P. grandiflorus, P. griffinii, P. grinnellii, P. guadalupensis, P. hallii, P. harbourii, P. harringtonii, P. havardii, P. haydenii, P. heterodoxus, P. heterophyllus, P. hirsutus, P. humilis, P. idahoensis, P. immanifestus, P. incertus, P. inflatus, P. jamesii, P. janishiae, P. kingii, P. kralii, P. labrosus, P. laetus, P. laevigatus, P. laevis, P. lanceolatus, P. laricifolius, P. laxiflorus, P. laxus, P. leiophyllus, P. lemhiensis, P. lentus, P. leonardii, P. linarioides, P. longiflorus, P. lyallii, P. marcusii, P. mensarum, P. metcalfei, P. miser, P. moffatii, P. monoensis, P. montanus, P. moriahensis, P. mucronatus, P. multiflorus, P. murrayanus, P. nanus, P. navajoa, P. neomexicanus, P. neotericus, P. newberryi, P. nitidus, P. nudiflorus, P. oklahomensis, P. oliganthus, P. ophianthus, P. osterhoutii, P. ovatus, P. pachyphyllus, P. pahutensis, P. pallidus, P. palmeri, P. papillatus, P. parryi, P. parvulus, P. parvus, P. patens, P. payettensis, P. paysoniorum, P. peckii, P. penlandii, P. pennellianus, P. perpulcher, P. personatus, P. petiolatus, P. pinifolius, P. pinorum, P. platyphyllus, P. pratensis, P. pruinosus, P. pseudoputus, P. pseudospectabilis, P. pudicus, P. pumilus, P. purpusii, P. putus, P. radicosus, P. rattanii, P. retrorsus, P. rhizomatosus, P. richardsonii, P. roezlii, P. rostriflorus, P. rubicundus, P. rupicola, P. rydbergii, P. saxosorum, P. scapoides, P. scariosus, P. secundiflorus, P. seorsus, P. sepalulus, P. serrulatus, P. smallii, P. spatulatus, P. speciosus, P. spectabilis, P. stenophyllus, P. stephensii, P. strictiformis, P. strictus, P. subglaber, P. subserratus, P. subulatus, P. sudans, P. superbus, P. tenuiflorus, P. tenuis, P. teucrioides, P. thompsoniae, P. thurberi, P. tidestromii, P. tiehmii, P. tracyi, P. triflorus, P. triphyllus, P. tubaeflorus, P. uintahensis, P. utahensis, P. venustus, P. virens, P. virgatus, P. wardii, P. washingtonensis, P. watsonii, P. whippleanus, P. wilcoxii, P. wrightii, P. xylus, P. yampaënsis |
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P. confertus var. procerus |
M. E. Jones ex Pennell: Contr. U.S. Natl. Herb. 20: 341. (1920) |
Douglas ex Graham: Edinburgh New Philos. J. 7: 348. (1829) — (as Pentstemon procerum) |
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