familyBrassicaceae
genusNoccaea
speciesNoccaea fendleri
subspeciesNoccaea fendleri subsp. siskiyouensis
Difference between revisions of "Noccaea fendleri subsp. siskiyouensis"
Syst. Bot. 29: 383. 2004.
Basionym: Thlaspi montanum var. siskiyoense P. K. Holmgren Mem. New York Bot. Gard. 21(2): 84. 1971
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Latest revision as of 23:37, 5 November 2020
Stems (0.6–)0.7–1.6(–2.4) dm. Basal leaves: petiole differentiated from blade, (1.7–)2–3.6(–4) times longer than blade; blade ovate to oblong, 4–8(–9) mm wide, base cuneate. Cauline leaves 2–6. Racemes lax to compact. Fruiting pedicels horizontal or slightly descending, forming an angle 80º or more with rachis. Flowers: petals white, 3.8–6 × 1.2–2.2(–2.9) mm. Fruits often strongly winged, obovate to obdeltate, (4–)4.8–7(–8) × (3–)3.5–5.5(–6) mm, 1–2 times as long as wide, apex truncate to strongly emarginate; style (0.8–)1–2 mm. Seeds 2–4 per fruit. 2n = 14.
Phenology: Flowering Apr–Jun.
Habitat: Moist, open rocky serpentine slopes
Elevation: 300-500 m
Discussion
Subspecies siskiyouensis is known from Curry, Douglas, and Josephine counties.
Selected References
None.
Lower Taxa
None.