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Published In: Proceedings of the American Academy of Arts and Sciences 23(2): 261. 1888. (Proc. Amer. Acad. Arts) Name publication detailView in Biodiversity Heritage Library

Project Name Data (Last Modified On 7/23/2009)

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14. Caulanthus lemmonii S. Watson, Proc. Amer. Acad. Arts 23: 261. 1888; C. coulteri S. Watson var. lemmonii (S. Watson) Munz, Aliso 4: 503. 1960; Streptanthus coulteri (S. Watson) Greene var. lemmonii (S. Watson) Jepson, Fl. Calif. 2: 27. 1936; S. lemmonii (S. Watson) Jepson, Man. Fl. Pl. Calif. 416. 1925, not S. lemmonii S. Watson, Proc. Amer. Acad. Arts 25: 125. 1890. TYPE: United States, California, San Luis Obisop Co., Lemmon’s Ranch, Cholame, Jun 1887, J. G. Lemmon s.n. (lectotype designated by Buck (1995).

Streptanthus parryi Greene, Fl. Francisc. 257. 1891. TYPE: United States, California, Paso Robles, Apr 1888, (lectotype here designated, NDG).

Herbs, annual, hispid below with simple trichomes, subglabrous or glabrous above, glaucous. Stems 1–8 dm, erect or ascending, often branched above, sparsely hispid basally. Basal leaves rosulate; petiole 0.3–3 cm; blade oblanceolate, 0.7–9 x 0.4–2.5 cm, sparsely to moderately hispid, margin coarsely dentate-sinuate; middle cauline leaves sessile, lanceolate to narrowly ovate, 0.5–11 x 0.2–4.5 cm, gradually reduced in size upwards, glabrous, base amplexicaul, margin entire or denticulate. Racemes with a terminal cluster of sterile flowers, ebracteate, densely flowered, elongated in fruit; fruiting pedicels ascending to divaricate or reflexed, 3–18(–27) mm, pubescent or glabrous. Sepals dark purple in bud, becoming greenish or creamy white and purplish or brown distally, ovate to narrowly lanceolate, 6–17 ´ 2.5–3.5 mm, erect to ascending, subequal, keeled, glabrous or rarely pubescent with simple trichomes; petals white with dark purple veins, 8–20 mm; blade 4–8 x 1.5–2 mm, crisped; claw oblanceolate, 4–11 x 2–3 mm; filaments in 3 unequal pairs, median pairs often connate, adaxial pair 5–12 mm, abaxial pair 3.5–11 mm, lateral pair 2–7 mm; anthers oblong to linear-oblong 1.5–4 mm, those of adaxial pair smaller; ovules 52–72 per ovary. Fruits 5–12 cm ´ 2.5—3.5 mm, erect or ascending, terete or only slightly latiseptate, often straight; valves with a prominent midvein basally; style obsolete or up to 4 mm; stigma strongly 2-lobed, lobes to 1–4 mm, opposite valves. Seeds 2–3.5 x 1.7–2.2 mm; cotyledons entire.

Flowering: (Feb–)Mar–May.

Habitat: grassland, chaparral, scrub.

Elevation: 100–1100 m.

Distribution: United States (coastal S California).




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