Difference between revisions of "Penstemon filiformis"
in L. Abrams and R. S. Ferris, Ill. Fl. Pacific States 3: 761. 1951.
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|accepted_name=Penstemon filiformis | |accepted_name=Penstemon filiformis | ||
| − | |accepted_authority=(D. D. Keck) D. D. Keck | + | |accepted_authority=(D. D. Keck) D. D. Keck |
|publications={{Treatment/Publication | |publications={{Treatment/Publication | ||
| − | |title=Ill. Fl. Pacific States | + | |title=in L. Abrams and R. S. Ferris, Ill. Fl. Pacific States |
|place=3: 761. 1951 | |place=3: 761. 1951 | ||
|year=1951 | |year=1951 | ||
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|name=Penstemon laetus subsp. filiformis | |name=Penstemon laetus subsp. filiformis | ||
|authority=D. D. Keck | |authority=D. D. Keck | ||
| + | |rank=subspecies | ||
|publication_title=Univ. Calif. Publ. Bot. | |publication_title=Univ. Calif. Publ. Bot. | ||
|publication_place=16: 394. 1932 | |publication_place=16: 394. 1932 | ||
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-->{{#Taxon: | -->{{#Taxon: | ||
name=Penstemon filiformis | name=Penstemon filiformis | ||
| − | + | |authority=(D. D. Keck) D. D. Keck | |
| − | |authority=(D. D. Keck) D. D. Keck | ||
|rank=species | |rank=species | ||
|parent rank=section | |parent rank=section | ||
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|distribution=Calif. | |distribution=Calif. | ||
|reference=None | |reference=None | ||
| − | |publication title=Ill. Fl. Pacific States | + | |publication title=in L. Abrams and R. S. Ferris, Ill. Fl. Pacific States |
|publication year=1951 | |publication year=1951 | ||
|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_556.xml |
|genus=Penstemon | |genus=Penstemon | ||
|subgenus=Penstemon subg. Penstemon | |subgenus=Penstemon subg. Penstemon | ||
Latest revision as of 20:32, 5 November 2020
Herbs or subshrubs. Stems ascending to erect, 16–50 cm, puberulent to retrorsely hairy, hairs pointed, not glaucous. Leaves cauline, opposite, puberulent, hairs pointed, or glabrous, not glaucous; cauline 8–12 pairs, sessile, 12–70 × 0.5–1(–2) mm, blade linear, base not tapered, margins entire, apex acute. Thyrses interrupted, cylindric, 9–22 cm, axis glandular-pubescent, verticillasters 1–5, cymes 1–3-flowered, (1 or)2 per node; proximal bracts linear, 9–30 × 0.5–1 mm; peduncles and pedicels spreading to ascending, glandular-pubescent. Flowers: calyx lobes ovate to lanceolate, 2–4.5 × 0.7–1.7 mm, glandular-pubescent; corolla light purple to violet or purple, without nectar guides, funnelform, 13–18 mm, glandular-pubescent externally, glabrous internally, tube 3–4 mm, throat gradually inflated, 5–7 mm diam., 2-ridged abaxially; stamens included or longer pair reaching orifice, filaments glabrous, pollen sacs parallel, 1.2–1.6 mm, distal 1/2 indehiscent, sides pubescent, hairs white, to 0.5 mm near filament attachment, sutures denticulate, teeth to 0.2 mm; staminode 10–12 mm, included or reaching orifice, 0.3–0.5 mm diam., glabrous; style 11–15 mm. Capsules 5–7.5 × 2.5–4 mm. 2n = 16.
Phenology: Flowering Jun–Jul.
Habitat: Rocky shrublands, pine woodlands.
Elevation: 400–600 m.
Discussion
Penstemon filiformis is known from Lake, Shasta, Siskiyou, and Trinity counties.
Selected References
None.