Difference between revisions of "Penstemon fruticiformis"

Coville

Contr. U.S. Natl. Herb. 4: 170. 1893.

Common names: Death Valley beardtongue
Endemic
Treatment appears in FNA Volume 17. Treatment on page 250. Mentioned on page 245, 246, 247, 252.
FNA>Volume Importer
imported>Volume Importer
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|distribution=w United States.
+
|distribution=Calif.;Nev.
 
|discussion=<p>Varieties 2 (2 in the flora).</p><!--
 
|discussion=<p>Varieties 2 (2 in the flora).</p><!--
 
--><p><i>Penstemon fruticiformis</i> is known from the Mojave Desert. Specimens from the Kingston Range and the eastern flank of the southern Sierra <i>Nevada</i> sometimes combine features of <i>P. fruticiformis</i> and <i>P. incertus</i>.</p>
 
--><p><i>Penstemon fruticiformis</i> is known from the Mojave Desert. Specimens from the Kingston Range and the eastern flank of the southern Sierra <i>Nevada</i> sometimes combine features of <i>P. fruticiformis</i> and <i>P. incertus</i>.</p>
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|basionyms=
 
|basionyms=
 
|family=Plantaginaceae
 
|family=Plantaginaceae
|distribution=w United States.
+
|distribution=Calif.;Nev.
 
|reference=None
 
|reference=None
 
|publication title=Contr. U.S. Natl. Herb.
 
|publication title=Contr. U.S. Natl. Herb.
 
|publication year=1893
 
|publication year=1893
 
|special status=Endemic
 
|special status=Endemic
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f50eec43f223ca0e34566be0b046453a0960e173/coarse_grained_fna_xml/V17/V17_603.xml
+
|source xml=https://bibilujan@bitbucket.org/aafc-mbb/fna-data-curation.git/src/bb6b7e3a7de7d3b7888a1ad48c7fd8f5c722d8d6/coarse_grained_fna_xml/V17/V17_603.xml
 
|genus=Penstemon
 
|genus=Penstemon
 
|subgenus=Penstemon subg. Penstemon
 
|subgenus=Penstemon subg. Penstemon

Revision as of 20:25, 27 May 2020

Shrubs or subshrubs. Stems ascending to erect, 30–60 cm, glaucous. Leaves: cauline 6–12 pairs, sessile or short-petiolate, (12–)25–65 × 2–8 mm, blade lanceolate to linear, sometimes oblanceolate, base truncate or tapered, margins entire, rarely ± serrulate distally, apex obtuse to acute. Thyrses interrupted, cylindric, 8–30 cm, axis glabrous, verticillasters 3–8, cymes 1–3-flowered; proximal bracts lanceolate to linear, 9–28 × 2–5 mm; peduncles and pedicels spreading to ascending, glabrous. Flowers: calyx lobes depressed-ovate to round or ovate, 3.5–6.5 × 2.5–5 mm, glabrous; corolla bluish lavender to lavender or light pink, with reddish purple nectar guides, strongly bilabiate, ventricose-ampliate, 22–28 mm, glabrous or glandular-pubescent externally, moderately to densely white-lanate internally abaxially, sometimes also sparsely to densely glandular-pubescent internally, tube 6–8 mm, length 1–1.5 times calyx lobes, throat abruptly inflated, constricted at orifice, 8–14 mm diam., 2-ridged abaxially; stamens included, filaments of shorter pair glandular-puberulent proximally, pollen sacs explanate to subexplanate, 1.6–2.2 mm, sutures smooth; staminode 15–19 mm, exserted, 0.6–0.8 mm diam., tip recurved, distal 8–9 mm moderately pilose to lanate, hairs yellow, to 2.5 mm; proximal 5–6 mm glandular-pubescent; style 19–24 mm, glabrous. Capsules 9–13 × 5–7 mm, glabrous. 2n = 16.

Discussion

Varieties 2 (2 in the flora).

Penstemon fruticiformis is known from the Mojave Desert. Specimens from the Kingston Range and the eastern flank of the southern Sierra Nevada sometimes combine features of P. fruticiformis and P. incertus.

Selected References

None.

Key

1 Corollas glabrous externally; calyx lobes depressed-ovate to round or ovate, 3.5–5 × 3.2–5 mm. Penstemon fruticiformis var. fruticiformis
1 Corollas ± glandular-pubescent externally; calyx lobes ovate, 4.5–6.5 × 2.5–4 mm. Penstemon fruticiformis var. amargosae