mat-root beardtongue, matroot penstemon
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fine tooth penstemon, fine-tooth beardtongue, subserrate beardtongue
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Herbs. |
Herbs. |
ascending to erect, (15–)20–42 cm, retrorsely hairy or puberulent, not glaucous. |
ascending to erect, 20–80 cm, glabrous or retrorsely hairy, rarely sparsely glandular-pubescent, not glaucous. |
essentially cauline, basal absent or poorly developed, not leathery, ± puberulent; cauline (4 or)5–8 pairs, sessile, (20–)30–65 × (2–)4–10(–20) mm, blade ovate to lanceolate, base tapered, margins entire, apex obtuse to acute. |
basal and cauline, not leathery, glabrous or puberulent (especially on petiole and along major veins and margins); basal and proximal cauline 30–120(–160) × 4–32 mm, blade ovate to elliptic, rarely spatulate, base tapered, margins serrate to serrulate or entire, apex obtuse to acute, rarely rounded; cauline 2–6 pairs, sessile, 20–75 × 5–27 mm, blade lanceolate to oblong, base truncate to clasping, margins serrate to serrulate, sometimes entire, apex obtuse to acute or acuminate. |
interrupted or continuous, cylindric, 5–14 cm, axis glandular-pubescent, verticillasters (2 or)3–6, cymes 2–4(–8)-flowered, 2 per node; proximal bracts lanceolate to linear, 7–46 × 1–10(–20) mm, margins entire; peduncles and pedicels ascending to erect, glandular-pubescent. |
interrupted, cylindric to narrowly conic, 18–37 cm, axis moderately to densely glandular-pubescent, verticillasters 5–11, cymes 3–11-flowered, 2 per node; proximal bracts ovate to lanceolate, 25–60 × 9–30 mm, margins serrate to serrulate, sometimes entire; peduncles and pedicels ascending to erect, glandular-pubescent. |
calyx lobes lanceolate, 5–8 × 1.2–2.5 mm, glandular-pubescent; corolla blue to dark blue, purple, or violet, with reddish purple nectar guides, bilabiate, not personate, funnelform, 16–23 mm, glandular-pubescent externally, moderately yellowish lanate internally abaxially, tube 4.5–6 mm, throat slightly inflated, 4–6 mm diam., 2-ridged abaxially; stamens included, pollen sacs opposite, navicular to subexplanate, 0.8–1.3 mm, dehiscing completely, connective splitting, sides glabrous, sutures papillate; staminode 10–12 mm, included, 0.3–0.4 mm diam., tip straight, distal 1 mm densely pilose or lanate, hairs yellow, to 1.4 mm, remaining distal 4–5 mm sparsely pilose, hairs yellow, to 0.5 mm; style 11–14 mm. |
calyx lobes ovate to lanceolate, 3–5 × 1.4–2.5 mm, margins narrowly to broadly scarious, glandular-pubescent to densely glandular-pubescent; corolla blue to violet or purple, with reddish purple nectar guides, funnelform, 12–18 mm, glandular-pubescent externally, moderately white-lanate internally abaxially, tube 4–5 mm, throat slightly inflated, 3–6 mm diam., 2-ridged abaxially; stamens included, pollen sacs opposite, navicular to subexplanate, 0.7–1.1 mm, dehiscing completely, connective splitting, sides glabrous, sutures papillate; staminode 8–10 mm, included, 0.3–0.5 mm diam., tip recurved, distal 2–3 mm sparsely to moderately pilose, hairs yellow or yellow-orange, to 1.5 mm; style 8–11 mm. |
5–8 × 3.5–5 mm, glabrous. |
4–5 × 3–4 mm, glabrous. |
= 16. |
= 32. |
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Flowering May–Jul. |
Flowering May–Jul. |
Rocky flats, slopes, ravines, sagebrush shrublands, pine woodlands. |
Open slopes in pine forests and pine-oak woodlands. |
1500–2400 m. (4900–7900 ft.) |
30–1800 m. (100–5900 ft.) |
CO; ID; MT; NV; UT; WY
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OR; WA
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Penstemon radicosus is known from the Central Rocky Mountains and mountain ranges in the northern Great Basin. The species is most likely to be confused with P. laxus or P. watsonii. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Penstemon subserratus occurs along the eastern flank of the Cascade Range. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
FNA vol. 17, p. 219. |
FNA vol. 17, p. 223. |
Plantaginaceae > Penstemon > subg. Penstemon > sect. Penstemon |
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. 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. procerus, P. pruinosus, P. pseudoputus, P. pseudospectabilis, P. pudicus, P. pumilus, P. purpusii, P. putus, 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. 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. 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 |
A. Nelson: Bull. Torrey Bot. Club 25: 280. (1898) — (as Pentstemon) |
Pennell: Notul. Nat. Acad. Nat. Sci. Philadelphia 71: 13. (1941) |
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