Difference between revisions of "Erysimum ammophilum"
Muhlenbergia 1: 51. 1904.
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| + | |special_status={{Treatment/ID/Special_status | ||
| + | |code=E | ||
| + | |label=Endemic | ||
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|publication title=Muhlenbergia | |publication title=Muhlenbergia | ||
|publication year=1904 | |publication year=1904 | ||
| − | |special status= | + | |special status=Endemic;Conservation concern |
| − | |source xml=https:// | + | |source xml=https://bibilujan@bitbucket.org/aafc-mbb/fna-data-curation.git/src/bb6b7e3a7de7d3b7888a1ad48c7fd8f5c722d8d6/coarse_grained_fna_xml/V7/V7_846.xml |
|tribe=Brassicaceae tribe Erysimeae | |tribe=Brassicaceae tribe Erysimeae | ||
|genus=Erysimum | |genus=Erysimum | ||
Revision as of 00:01, 28 May 2020
Biennials or perennials; (short-lived). Trichomes of leaves 2–4(–7)-rayed. Stems erect, unbranched or branched distally, 0.4–9(–13) dm. Basal leaves: blade (somewhat fleshy), linear-oblanceolate, 3.5–15.5 cm × 2–9 mm, base attenuate, margins entire or obscurely dentate, apex acute. Cauline leaves: blade (oblanceolate), margins entire. Racemes considerably elongated in fruit. Fruiting pedicels divaricate to divaricate-ascending, stout, slightly narrower than fruit, 4–10(–13) mm. Flowers: sepals oblong to linear-oblong, 7.5–11(–13) mm, lateral pair slightly saccate basally; petals bright yellow, broadly obovate to suborbicular, 14–24 × 6–11(–14) mm, claw 8–14 mm, apex rounded; median filaments 8.5–12 mm; anthers linear, 3–4 mm. Fruits spreading, narrowly linear, straight, not torulose, (2–)3.5–12 cm × 1.5–3.5 mm, latiseptate, not striped; valves with prominent midvein, pubescent outside, trichomes 2–4-rayed, glabrous inside; ovules 50–86 per ovary; style cylindrical, stout, 0.3–1.5(–2) mm, sparsely pubescent; stigma slightly 2-lobed, lobes as long as wide. Seeds oblong, 1.5–3 × 1–1.8 mm; winged distally (narrowly so around). 2n = 36.
Phenology: Flowering Mar–Apr.
Habitat: Sand dunes
Elevation: 0-50 m
Discussion
Of conservation concern.
Erysimum ammophilum is restricted to coastal and nearby sand dunes of Monterey and Santa Cruz counties.
Selected References
None.