Difference between revisions of "Penstemon watsonii"
in A. Gray et al., Syn. Fl. N. Amer. 2(1): 267. 1878. (as Pentstemon watsoni)
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|accepted_name=Penstemon watsonii | |accepted_name=Penstemon watsonii | ||
| − | |accepted_authority=A. Gray | + | |accepted_authority=A. Gray |
|publications={{Treatment/Publication | |publications={{Treatment/Publication | ||
| − | |title=Syn. Fl. N. Amer. | + | |title=in A. Gray et al., Syn. Fl. N. Amer. |
|place=2(1): 267. 1878 | |place=2(1): 267. 1878 | ||
|year=1878 | |year=1878 | ||
| + | |other_info_on_pub=(as Pentstemon watsoni) | ||
}} | }} | ||
|common_names=Watson’s beardtongue | |common_names=Watson’s beardtongue | ||
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-->{{#Taxon: | -->{{#Taxon: | ||
name=Penstemon watsonii | name=Penstemon watsonii | ||
| − | |authority=A. Gray | + | |authority=A. Gray |
|rank=species | |rank=species | ||
|parent rank=section | |parent rank=section | ||
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|distribution=Ariz.;Colo.;Idaho;Nev.;Utah;Wyo. | |distribution=Ariz.;Colo.;Idaho;Nev.;Utah;Wyo. | ||
|reference=None | |reference=None | ||
| − | |publication title=Syn. Fl. N. Amer. | + | |publication title=in A. Gray et al., Syn. Fl. N. Amer. |
|publication year=1878 | |publication year=1878 | ||
|special status=Endemic | |special status=Endemic | ||
| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V17/V17_544.xml |
|genus=Penstemon | |genus=Penstemon | ||
|subgenus=Penstemon subg. Penstemon | |subgenus=Penstemon subg. Penstemon | ||
Latest revision as of 20:32, 5 November 2020
Herbs. Stems ascending to erect, 25–60 cm, glabrous or sparsely puberulent, not glaucous. Leaves essentially cauline, basal absent or poorly developed, not leathery, glabrous or puberulent; cauline 4–8 pairs, short-petiolate or sessile, 30–70(–80) × 8–18(–35) mm, blade oblanceolate to lanceolate, base tapered or clasping, margins entire, apex obtuse to acute. Thyrses continuous or interrupted, cylindric, (1.5–)5–16 cm, axis ± retrorsely hairy, verticillasters 2–6(–10), cymes (2–)6–14-flowered, 2 per node; proximal bracts lanceolate to linear, rarely ovate, 3–60 × 1–23 mm, margins entire; peduncles and pedicels ascending to erect, ± retrorsely hairy. Flowers: calyx lobes broadly ovate, 1.8–3(–3.5) × 1.4–2 mm, apex obtuse to acute or short-cuspidate, glabrous; corolla blue to violet or purple, with faint reddish purple nectar guides, funnelform, 12–16(–18) mm, glabrous externally, sparsely white-villous internally abaxially, tube 4–5 mm, throat gradually inflated, 3–6 mm diam., 2-ridged abaxially; stamens included or longer pair slightly exserted, pollen sacs opposite, navicular, 0.9–1 mm, dehiscing completely, connective splitting, sides glabrous, sutures papillate; staminode 8–9 mm, reaching orifice, 0.2–0.3 mm diam., tip slightly recurved, distal 3–4 mm moderately to densely villous, hairs golden yellow, to 1 mm; style 9–13 mm. Capsules 4–7 × 3.5–5 mm, glabrous. 2n = 16.
Phenology: Flowering May–Aug.
Habitat: Dry, rocky slopes, sagebrush shrublands, pine-oak and pine woodlands.
Elevation: 1700–3200 m.
Distribution
Ariz., Colo., Idaho, Nev., Utah, Wyo.
Discussion
Penstemon watsonii is known from mountain ranges throughout the Intermountain Region. Penstemon laxus, which has been included as a variety of this species, has corollas 2–3 mm in diameter and densely white-villous internally abaxially, and is known from south-central Idaho north of the Snake River. Penstemon watsonii does enter extreme south-central Idaho but is not known to occur north of the Snake River.
Selected References
None.