Difference between revisions of "Thelypodiopsis ambigua"
Contr. Gray Herb. 204: 138. 1973.
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| − | |basionyms={{Treatment/ID/ | + | |basionyms={{Treatment/ID/Basionym |
|name=Thelypodium ambiguum | |name=Thelypodium ambiguum | ||
|authority=S. Watson | |authority=S. Watson | ||
| + | |publication_title=Proc. Amer. Acad. Arts | ||
| + | |publication_place=14: 290. 1879 | ||
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|special status= | |special status= | ||
| − | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/ | + | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f6b125a955440c0872999024f038d74684f65921/coarse_grained_fna_xml/V7/V7_1261.xml |
|tribe=Brassicaceae tribe Thelypodieae | |tribe=Brassicaceae tribe Thelypodieae | ||
|genus=Thelypodiopsis | |genus=Thelypodiopsis | ||
Revision as of 20:20, 24 September 2019
Annuals or biennials; (glaucous), glabrous throughout. Stems branched distally, (3–)5–10 dm. Basal leaves rosulate; petiole 0.3–3 cm; blade oblanceolate, (1.5–)2.5–14.5(–20) cm × 10–30(–42) mm, margins dentate to subpinnatifid. Cauline leaves sessile; blade lanceolate to oblong, base auriculate, margins usually entire, rarely dentate. Racemes lax or dense. Fruiting pedicels horizontal to divaricate-ascending, often upcurved, 6–9 mm. Flowers: sepals erect, purple, 5–7.5 × 1.7–2.5 mm; petals purple to lavender or white, spatulate, 10–14 × 1.2–1.7 mm, claw 4–6 mm; median filament pairs 4–6 mm; anthers linear, 3–4 mm; gynophore (slender), 3–6(–9.5) mm. Fruits ascending to divaricate or descending, straight or slightly recurved, torulose, 4.5–9 cm × 1.1–1.4 mm; ovules 80–112 per ovary; style cylindrical, (stout), 0.3–1 mm; stigma 2-lobed. Seeds 1.2–1.5 × 0.8–1.2 mm. 2n = 22.
Phenology: Flowering Mar–Jun.
Habitat: Pinyon-juniper desert shrub communities, dry hillsides
Elevation: 800-1600 m
Discussion
Of conservation concern.
Thelypodiopsis ambigua is known from Kane County in Utah and from Coconino, Mohave, and Yavapai counties in Arizona.
Selected References
None.