Difference between revisions of "Penstemon laxus"
Bot. Gaz. 54: 147. 1912. (as Pentstemon)
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|place=54: 147. 1912 | |place=54: 147. 1912 | ||
|year=1912 | |year=1912 | ||
| + | |other_info_on_pub=(as Pentstemon) | ||
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|common_names=Lax beardtongue | |common_names=Lax beardtongue | ||
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|name=Penstemon watsonii subsp. laxus | |name=Penstemon watsonii subsp. laxus | ||
|authority=(A. Nelson) D. D. Keck | |authority=(A. Nelson) D. D. Keck | ||
| + | |rank=subspecies | ||
}} | }} | ||
|hierarchy=Plantaginaceae;Penstemon;Penstemon subg. Penstemon;Penstemon sect. Penstemon;Penstemon laxus | |hierarchy=Plantaginaceae;Penstemon;Penstemon subg. Penstemon;Penstemon sect. Penstemon;Penstemon laxus | ||
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|elevation=1700–2400 m. | |elevation=1700–2400 m. | ||
|distribution=Idaho. | |distribution=Idaho. | ||
| − | |discussion=<p>Penstemon laxus is known from south-central Idaho; populations are known in Blaine, Boise, and Elmore counties.</p> | + | |discussion=<p><i>Penstemon laxus</i> is known from south-central Idaho; populations are known in Blaine, Boise, and Elmore counties.</p> |
|tables= | |tables= | ||
|references= | |references= | ||
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-->{{#Taxon: | -->{{#Taxon: | ||
name=Penstemon laxus | name=Penstemon laxus | ||
| − | |||
|authority=A. Nelson | |authority=A. Nelson | ||
|rank=species | |rank=species | ||
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|publication year=1912 | |publication year=1912 | ||
|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_508.xml |
|genus=Penstemon | |genus=Penstemon | ||
|subgenus=Penstemon subg. Penstemon | |subgenus=Penstemon subg. Penstemon | ||
Latest revision as of 19:32, 5 November 2020
Herbs. Stems ascending to erect, 30–70 cm, ± retrorsely hairy, not glaucous. Leaves essentially cauline, basal leaves absent or poorly developed, not leathery, glabrous, sometimes ± puberulent; cauline 4–8(–10) pairs, sessile, 30–90 × 4–17 mm, blade lanceolate, base tapered, margins entire, apex acute. Thyrses continuous or interrupted, cylindric, (1–)2–15 cm, axis ± retrorsely hairy, verticillasters 1–5, cymes (2–)6–13-flowered, 2 per node; proximal bracts lanceolate to linear, 8–38 × 1–8 mm, margins entire; peduncles and pedicels ascending to erect, glabrous or retrorsely hairy. Flowers: calyx lobes broadly ovate to obovate or elliptic, 1.7–3 × 0.9–2 mm, apex obtuse to acute or slightly cuspidate, glabrous; corolla violet to blue or purple, with faint reddish purple nectar guides, funnelform, 12–15 mm, glabrous externally, densely yellow-villous internally abaxially, tube 3–4 mm, throat gradually inflated, 3–4 mm diam., 2-ridged abaxially; stamens included or longer pair slightly exserted, pollen sacs opposite, explanate, 0.4–0.8 mm, dehiscing completely, connective splitting, sides glabrous, sutures smooth; staminode 6–8 mm, included, 0.2–0.3 mm diam., tip straight to slightly recurved, distal 2–3 mm sparsely to densely villous, hairs yellow, to 0.7 mm; style 7–9 mm. Capsules 4.5–6 × 2.5–3.5 mm, glabrous.
Phenology: Flowering Jun–Jul.
Habitat: Dry meadows, sagebrush shrublands.
Elevation: 1700–2400 m.
Discussion
Penstemon laxus is known from south-central Idaho; populations are known in Blaine, Boise, and Elmore counties.
Selected References
None.