Difference between revisions of "Descurainia kenheilii"

Al-Shehbaz

Harvard Pap. Bot. 12: 395, fig. 1. 2007.

Treatment appears in FNA Volume 7. Treatment on page 524. Mentioned on page 520.
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|elevation=3600-3800 m
 
|elevation=3600-3800 m
 
|distribution=Colo.
 
|distribution=Colo.
|discussion=<p>Descurainia kenheilii is known from the high alpine areas in Archuleta and San Juan counties.</p>
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|discussion=<p><i>Descurainia kenheilii</i> is known from the high alpine areas in Archuleta and San Juan counties.</p>
 
|tables=
 
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|references=
 
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|publication year=2007
 
|publication year=2007
 
|special status=
 
|special status=
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/9216fc802291cd3df363fd52122300479582ede7/coarse_grained_fna_xml/V7/V7_825.xml
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|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/8f726806613d60c220dc4493de13607dd3150896/coarse_grained_fna_xml/V7/V7_825.xml
 
|tribe=Brassicaceae tribe Descurainieae
 
|tribe=Brassicaceae tribe Descurainieae
 
|genus=Descurainia
 
|genus=Descurainia

Revision as of 19:00, 18 September 2019

Perennials; (short-lived, dwarf); eglandular; sparsely pubescent throughout, trichomes dendritic. Stems (simple from base), erect, usually unbranched, rarely branched distally, 0.1–0.15 dm. Basal leaves: petiole 0.3–0.6 cm; blade pinnate, oblanceolate in outline, lateral lobes (2–4 pairs), oblanceolate to obovate, (1–2.5 × 0.5–1 mm), margins entire. Cauline leaves subsessile; blade smaller distally, distal lobes narrower, surfaces sparsely pubescent. Racemes not elongated in fruit. Fruiting pedicels erect to ascending, straight, 1–1.5 mm. Flowers: sepals ascending, yellowish, ovate, 1–1.4 mm, pubescent; petals narrowly oblanceolate, 1–1.5 × 0.3–0.4 mm; median filaments 0.6–1 mm; anthers (broadly ovate), ca. 0.1 mm. Fruits erect, linear, torulose, 6–10 × 1–1.3 mm, (straight); valves each with distinct midvein; septum with distinct midvein; ovules 4–8 per ovary; style obsolete, 0.1–0.2 mm, glabrous. Seeds uniseriate, reddish brown, oblong, 1–1.2 × 0.5–0.6 mm.


Phenology: Flowering Aug–Sep.
Habitat: Alpine tundra, talus slopes
Elevation: 3600-3800 m

Discussion

Descurainia kenheilii is known from the high alpine areas in Archuleta and San Juan counties.

Selected References

None.

Lower Taxa

None.