Difference between revisions of "Erysimum teretifolium"
Leafl. W. Bot. 2: 144. 1938.
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| + | |code=C | ||
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|name=Erysimum filifolium | |name=Erysimum filifolium | ||
|authority=Eastwood | |authority=Eastwood | ||
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| + | |publication_title=Leafl. W. Bot. | ||
| + | |publication_place=2: 73. 1838, | ||
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name=Erysimum teretifolium | name=Erysimum teretifolium | ||
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|publication title=Leafl. W. Bot. | |publication title=Leafl. W. Bot. | ||
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| − | |special status= | + | |special status=Endemic;Conservation concern |
| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V7/V7_866.xml |
|tribe=Brassicaceae tribe Erysimeae | |tribe=Brassicaceae tribe Erysimeae | ||
|genus=Erysimum | |genus=Erysimum | ||
Latest revision as of 23:36, 5 November 2020
Biennials or perennials; (short-lived, caudex often woody). Trichomes of leaves 2-rayed, mixed with 3-rayed ones. Stems erect, unbranched, (1.4–)2.5–8(–10) dm. Basal leaves: blade filiform to narrowly linear, 5–17 cm × 0.4–3 mm, (somewhat revolute, appearing terete), base attenuate, margins denticulate, apex subacuminate. Cauline leaves sessile; blade margins entire or remotely denticulate. Racemes considerably elongated in fruit. Fruiting pedicels divaricate to ascending, slender, narrower than fruit, 5–14 mm. Flowers: sepals oblong to linear-oblong, 7–11 mm, lateral pair saccate basally; petals orange-yellow to yellow, broadly obovate to suborbicular, 15–20(–25) × 5–10 mm, claw 6–13 mm, apex rounded; median filaments 7–14 mm; anthers linear, 2.3–3.5 mm. Fruits widely spreading to ascending, narrowly linear, curved or slightly twisted, somewhat torulose, (4–)7–12(–15) cm × 1.2–2.2(–2.5) mm, slightly latiseptate, not striped; valves with prominent midvein, pubescent outside, trichomes 2 and 3 (or 4)-rayed, glabrous inside; ovules 40–72 per ovary; style cylindrical, slender, 0.5–2(–2.5) mm, sparsely pubescent; stigma subentire to slightly 2-lobed, lobes as long as wide. Seeds ovoid, 1.5–2.3(–2.7) × 0.9–1.5 mm; wing appendage-like, distal. 2n = 36.
Phenology: Flowering Feb–May.
Habitat: Sandy areas bordering sage scrub or chaparral, sand deposits derived from sandstone
Elevation: 100-400 m
Discussion
Of conservation concern.
Erysimum teretifolium is a highly endangered species known only from Santa Cruz County.
Selected References
None.