Difference between revisions of "Streptanthus diversifolius"
Proc. Amer. Acad. Arts 17: 363. 1882.
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| + | |special_status={{Treatment/ID/Special_status | ||
| + | |code=E | ||
| + | |label=Endemic | ||
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|name=Mitophyllum diversifolium | |name=Mitophyllum diversifolium | ||
|authority=(S. Watson) Greene | |authority=(S. Watson) Greene | ||
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}} {{Treatment/ID/Synonym | }} {{Treatment/ID/Synonym | ||
|name=Streptanthus linearis | |name=Streptanthus linearis | ||
|authority=Greene | |authority=Greene | ||
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}} | }} | ||
|hierarchy=Brassicaceae;Brassicaceae tribe Thelypodieae;Streptanthus;Streptanthus diversifolius | |hierarchy=Brassicaceae;Brassicaceae tribe Thelypodieae;Streptanthus;Streptanthus diversifolius | ||
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name=Streptanthus diversifolius | name=Streptanthus diversifolius | ||
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|authority=S. Watson | |authority=S. Watson | ||
|rank=species | |rank=species | ||
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|publication title=Proc. Amer. Acad. Arts | |publication title=Proc. Amer. Acad. Arts | ||
|publication year=1882 | |publication year=1882 | ||
| − | |special status= | + | |special status=Endemic |
| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V7/V7_1227.xml |
|tribe=Brassicaceae tribe Thelypodieae | |tribe=Brassicaceae tribe Thelypodieae | ||
|genus=Streptanthus | |genus=Streptanthus | ||
Latest revision as of 22:31, 5 November 2020
Annuals; (somewhat glaucous), glabrous throughout. Stems branched distally, (1–)2–9(–10.5) dm. Basal leaves not rosulate; petiolate; blade pinnatisect to pectinate into filiform segments, 2–8 cm. Cauline leaves (petiolate proximally, sessile distally); blade pectinate or pinnatisect into filiform segments, or (distally) linear-lanceolate to ovate or cordate, 2–12 cm, (segments 0.4–2.7 cm × 0.5–1.5mm), base not auriculate proximally, amplexicaul distally, margins entire distally, becoming bracts. Racemes bracteate below or between proximalmost 1 or 2 flowers. Fruiting pedicels divaricate to divaricate-ascending, (straight), 2–10 mm. Flowers: calyx urceolate; sepals yellow or purplish, 5–7 mm, keeled, (apex recurved); petals pale yellow to whitish (with purple veins, recurved), 8–16 mm, blade 3–6 × 1.5–3.5 mm, margins not crisped, (undulate), claw 5–10 mm, narrower than blade; stamens in 3 unequal pairs; filaments (distinct): abaxial pair 2.5–6 mm, lateral pair 1.5–4 mm, adaxial pair 4–8 mm; anthers: abaxial and lateral pairs fertile, 3.5–4 mm, adaxial pair partially fertile, 1.5–2.3 mm; gynophore 0.5–1.5 mm. Fruits geniculately reflexed, smooth, straight, flattened, 3–9 cm × 1–1.5(–2.2) mm; valves each with obscure midvein; replum straight; ovules (22–)38–80 per ovary; style 0.2–1 mm; stigma obscurely 2-lobed. Seeds oblong, 1–1.5(–2.2) × 0.6–1(–1.5) mm; wing (0–)0.05–0.1(–0.4) mm wide, distal. 2n = 28.
Phenology: Flowering Apr–Jul.
Habitat: Dry rock outcrops, granitic domes, adjacent road cuts, disturbed areas, open oak woodland
Elevation: 200-1900 m
Discussion
Streptanthus diversifolius is distributed in Butte, El Dorado, Fresno, Madera, Mariposa, Tuolumne, and Tulare counties.
Selected References
None.