Alberta beardtongue, Alberta penstemon
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beautiful penstemon, Minidoka beardtongue
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Herbs. |
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ascending to erect, (10–)15–38 cm, glabrous or sparsely retrorsely hairy, sometimes also sparsely glandular-pubescent. |
ascending to erect, (14–)30–60(–90) cm, glabrous or retrorsely hairy, not glaucous. |
basal and cauline, ± leathery or not, glabrous, sometimes sparsely retrorsely hairy along midvein abaxially, not glaucous; basal and proximal cauline (13–)40–90 × (3–)6–18 mm, blade ovate to oblanceolate or lanceolate, base tapered, margins ± serrate or dentate, apex obtuse to acute; cauline 2–6 pairs, short-petiolate or sessile, 15–55 × 3–10 mm, blade lanceolate, proximals sometimes oblanceolate to oblong, base tapered or truncate, margins entire or ± serrate to ± dentate, apex obtuse to acute. |
basal and cauline, not leathery, glabrous or retrorsely hairy, not glaucous; basal and proximal cauline 50–130(–150) × 5–15(–25) mm, blade oblanceolate to elliptic, base tapered, margins entire, usually undulate, apex obtuse to acute; cauline (2 or)3–5(–8) pairs, petiolate or sessile, 49–90 × 5–15 mm, blade lanceolate, base tapered, truncate, or clasping, margins undulate, apex acute to acuminate. |
continuous or ± interrupted, cylindric, 4–19 cm, axis glabrous or ± glandular-pubescent, verticillasters 4–8, cymes (1 or)2–6-flowered, 2 per node; proximal bracts lanceolate, 9–40 × 3–15 mm, margins entire or ± serrate to dentate; peduncles and pedicels erect, sometimes ascending, glandular-pubescent. |
interrupted or continuous, cylindric to ± secund, (2–)9–20(–40) cm, axis glabrous, verticillasters (3–)5–9(–25), cymes 2–8(–10)-flowered, 2 per node; proximal bracts lanceolate, 18–50(–80) × 2–20 mm; peduncles and pedicels glabrous. |
calyx lobes ovate, 2.8–4.8 × 0.9–1.8 mm, glandular-pubescent; corolla blue to light blue or violet, with reddish purple nectar guides, funnelform, 13–20 mm, glandular-pubescent externally, sparsely white-villous internally abaxially, tube 4–5 mm, throat gradually inflated, 4–5 mm diam., 2-ridged abaxially; stamens included, pollen sacs opposite, subexplanate to explanate, 0.5–0.8 mm, dehiscing completely, connective splitting, sides glabrous, sutures smooth or papillate; staminode 8–9 mm, included, 0.2–0.3 mm diam., tip straight to recurved, distal 0.5–2 mm ± pilose, hairs golden yellow, to 0.8 mm; style 9–11 mm. |
calyx lobes ovate, 3–5 × 1.6–2.8 mm, margins broadly scarious, apex rounded to acute or mucronate, glabrous; corolla violet to blue or purple, without nectar guides, funnelform to weakly ventricose, 18–22 mm, glabrous externally, glabrous internally, tube 6–8 mm, throat gradually inflated, not constricted at orifice, 5–8 mm diam., slightly 2-ridged abaxially; stamens included or longer pair reaching orifice, pollen sacs divergent to nearly opposite, navicular-sigmoid, 1.4–1.7 mm, dehiscing incompletely, proximal 1/5 indehiscent, connective not splitting, sides glabrous, sutures denticulate, teeth to 0.1 mm; staminode 9–12 mm, included, 0.6–1 mm diam., tip straight to recurved, distal 4–8 mm sparsely to moderately pilose, hairs yellow, to 1 mm; style 13–16 mm. |
4–6 × 3–4 mm, glabrous. |
9–14 × 6–8 mm. |
= 16. |
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Flowering May–Aug. |
Flowering May–Jul. |
Gravelly slopes, cliffs, rocky clearings, roadcuts in coniferous forests. |
Sagebrush shrublands. |
800–2800 m. (2600–9200 ft.) |
600–2000 m. (2000–6600 ft.) |
ID; MT; AB; BC
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ID; OR |
Penstemon caelestinus has been treated as a synonym of P. albertinus (D. D. Keck 1945; A. Cronquist 1959). D. V. Clark (1971) grew these and related species in transplant gardens and considered P. caelestinus to be distinct based on flower color, leaf shape and color, phenology, and habitat. A broad zone of hybridization between P. albertinus and P. wilcoxii exists in east-central Idaho and western Montana, especially in habitats disturbed by humans (Clark). (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Penstemon perpulcher is common in the Snake River Plains of southern Idaho (Ada, Bannock, Boise, Canyon, Cassia, Custer, Elmore, Gooding, Minidoka, Oneida, Owyhee, Payette, and Twin Falls counties) and western Oregon (Malheur and Wallowa counties). (Discussion copyrighted by Flora of North America; reprinted with permission.) |
FNA vol. 17, p. 190. |
FNA vol. 17, p. 176. |
Plantaginaceae > Penstemon > subg. Penstemon > sect. Penstemon |
Plantaginaceae > Penstemon > subg. Penstemon > sect. Glabri |
P. abietinus, P. absarokensis, P. acaulis, P. acuminatus, P. alamosensis, 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. 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. 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. caelestinus |
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Greene: Leafl. Bot. Observ. Crit. 1: 167. (1906) — (as Pentstemon) |
A. Nelson: Bot. Gaz. 52: 273. (1911) — (as Pentstemon) |
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