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Heller's beardtongue

Black River beardtongue

Stems

erect, 30–65 cm, retrorsely hairy.

ascending to erect, 20–45(–60) cm, glabrous, not glaucous.

Leaves

basal and cauline or, sometimes, basal absent or withering, not leathery to ± leathery, glabrous or retrorsely hairy along midvein and, sometimes, along margins;

basal and proximal cauline petiolate, 22–120(–190) × 7–40(–65) mm, blade oblanceolate to elliptic, base tapered, margins entire or serrate to dentate, apex obtuse to acute;

cauline 6–8(–10) pairs, sessile, 30–95(–115) × 7–30 mm, blade ovate to lanceolate to linear, base tapered to cordate clasping, margins entire or serrate, apex acute.

basal and cauline, leathery or not, glabrous, not glaucous;

basal and proximal cauline 15–95 × 1–4(–5) mm, blade linear, base tapered, margins entire, apex acute to acuminate;

cauline 5–7 pairs, sessile, 8–95 × 0.5–3(–4) mm, blade linear, base truncate, apex acute to acuminate.

Thyrses

interrupted, cylindric, 5–20 cm, axis glandular-pubescent, verticillasters (3–)4–6, cymes 2–4(–6)-flowered, 2 per node;

proximal bracts ovate to lanceolate, 14–50 × 6–17 mm;

peduncles and pedicels glandular-pubescent.

interrupted, secund, 6–30 cm, axis glabrous, verticillasters 5–11, cymes 1–3-flowered, 1 or 2 per node;

proximal bracts linear to subulate, (2–)3–30(–50) × 0.5–2 mm;

peduncles and pedicels glabrous.

Flowers

calyx lobes ovate to lanceolate, 6.5–13 × 2.5–4.8 mm, glandular-pubescent;

corolla pink to pinkish red or reddish violet, with red or crimson nectar guides, ventricose, 22–35 mm, glandular-pubescent internally, tube 8–11 mm, throat gradually inflated, not constricted at orifice, 10–13 mm diam., rounded abaxially;

stamens: longer pair exserted, pollen sacs opposite, explanate, 0.9–1.2 mm, dehiscing completely, sutures smooth;

staminode 17–20 mm, included or reaching orifice, 0.4–0.6 mm diam., tip straight to recurved, distal 8–12 mm sparsely to moderately pilose, hairs yellow, to 1 mm;

style 18–24 mm.

calyx lobes ovate, 2.2–4 × 1.3–3.5 mm, glabrous;

corolla white to pink, lavender, or violet, with reddish purple nectar guides, ventricose, 18–22 mm, glabrous externally, sparsely white-lanate internally abaxially, tube 4–6 mm, throat gradually inflated, not constricted at orifice, 7–10 mm diam., rounded abaxially;

stamens: longer pair exserted, pollen sacs opposite, navicular, 1.2–1.6 mm, dehiscing completely or incompletely, connective splitting or not, sides glabrous, sutures papillate or denticulate, teeth to 0.1 mm;

staminode 11–14 mm, exserted, 0.4–0.7 mm diam., tip straight to recurved, glabrous;

style 12–17 mm.

Capsules

(7–)11–14 × 5–8.5 mm.

6–11 × 4–6 mm.

2n

= 16.

Penstemon triflorus

Penstemon putus

Phenology Flowering Jun–Sep.
Habitat Rocky to sandy pine forests, pinyon-juniper woodlands.
Elevation 1500–2600 m. (4900–8500 ft.)
Distribution
from FNA
TX; n Mexico
[WildflowerSearch map]
[BONAP county map]
from FNA
AZ
[BONAP county map]
Discussion

Varieties 2 (2 in the flora).

Penstemon triflorus occurs largely on the Edwards Plateau, though a few populations are known from adjacent physiographic provinces in central Texas.

(Discussion copyrighted by Flora of North America; reprinted with permission.)

Penstemon putus occurs primarily along the Mogollon Rim in central and east-central Arizona. Populations have been documented in Apache, Coconino, Gila, Navajo, and Yavapai counties.

(Discussion copyrighted by Flora of North America; reprinted with permission.)

Key
1. Cauline leaf blades ovate to lanceolate, margins sharply serrate; calyx lobes 8–13 × 3–4.8 mm; corollas 30–35 mm.
var. triflorus
1. Cauline leaf blades lanceolate to linear, margins entire or obscurely, rarely sharply, serrate; calyx lobes 6.5–8.5 × 2.4–3.5 mm; corollas 22–30 mm.
var. integrifolius
Source FNA vol. 17, p. 142. FNA vol. 17, p. 177.
Parent taxa Plantaginaceae > Penstemon > subg. Penstemon > sect. Cristati Plantaginaceae > Penstemon > subg. Penstemon > sect. Glabri
Sibling taxa
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. subserratus, P. subulatus, P. sudans, P. superbus, P. tenuiflorus, P. tenuis, P. teucrioides, P. thompsoniae, P. thurberi, P. tidestromii, P. tiehmii, P. tracyi, 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. 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
Subordinate taxa
P. triflorus var. integrifolius, P. triflorus var. triflorus
Synonyms P. virgatus subsp. putus
Name authority A. Heller: Contr. Herb. Franklin Marshall Coll. 1: 92, plate 8. (1895) — (as Pentstemon) A. Nelson: Univ. Wyoming Publ. Sci., Bot. 1: 131. (1926)
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