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Caulanthus amplexicaulis S. Watson Search in The Plant ListSearch in IPNISearch in Australian Plant Name IndexSearch in NYBG Virtual HerbariumSearch in Muséum national d'Histoire naturelleSearch in Type Specimen Register of the U.S. National HerbariumSearch in Virtual Herbaria AustriaSearch in JSTOR Plant ScienceSearch in SEINetSearch in African Plants Database at Geneva Botanical GardenAfrican Plants, Senckenberg Photo GallerySearch in Flora do Brasil 2020Search in Reflora - Virtual HerbariumSearch in Living Collections Decrease font Increase font Restore font
 

Published In: Proceedings of the American Academy of Arts and Sciences 17: 364. 1882. (Proc. Amer. Acad. Arts) Name publication detailView in Biodiversity Heritage Library
 

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

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1. Caulanthus amplexicaulis S. Watson, Proc. Amer. Acad. Arts 17: 364. 1882; Euclisia amplexicaulis (S. Watson) Greene, Leafl. Bot. Observ. Crit. 1: 84. 1904; Streptanthus amplexicaulis (S. Watson) Jepson, Man. Fl. Pl. Calif. 417. 1925. TYPE: United States, California, San Bernardino Mountains, May 1881, S. B. Parish and W. F. Parish 846 (holotype, GH!; isotype, MO!).

Pleiocardia magna Greene, Leafl. Bot. Observ. Crit. 1: 87. 1904. TYPE: United States, California, San Bernardino Mountains, 1889, 4900 ft, W. G. Wright s.n. (holotype, NDG).

Streptanthus amplexicaulis var. barbarae J. T. Howell, Leafl. W. Bot. 9: 223. 1962; Caulanthus amplexicaulis var. barbarae (J. T. Howell) Munz, Suppl. Calif. Fl. 23. 1968. TYPE: United States, California, Santa Barbara Co., 0.7 miles W of Cachuma Saddle on road to Ranger Peak,  rocky crevices on 50 ft serpentine cliff, 21 May 1961, D. Breedlove 466 (holotype, CAS!; isotypes, CAS!, DS!, GH!, NY!, SBS, SBG, US!).

     Herbs, annual, glabrous throughout, glaucous. Stems 0.4–11 dm, erect, simple or branched above. Basal leaves rosulate; petiole 0.5–3 cm; blade obovate to broadly oblanceolate, 1–7 x 0.5–3.7 cm, margin coarsely dentate; middle cauline leaves sessile, oblong to broadly ovate or obovate, 2–8 x 1–4 cm, gradually reduced in size upwards, base amplexicaul, margin coarsely dentate or entire. Racemes without a terminal cluster of sterile flowers, ebracteate, lax, elongated in fruit; fruiting pedicels divaricate to ascending, 2.5–19 mm. Sepals dark maroon purple or ochroleucous to yellowish, ovate to ovate-lanceolate, 4–9.2 ´ 2–4 mm, erect, equal, not keeled; petals with purple and slightly longer adaxial pair and stramineous to yellowish green or rarely pale purple abaxial pair, 10–18 mm; blade 4-10 x 0.5–1.5 mm, crisped; claw narrowly oblong-oblanceolate, 6–10 x 1–3 mm; filaments in 3 unequal pairs, free, adaxial pair 4.5–9 mm, abaxial pair 3–7 mm, lateral pair 1–5 mm; anthers oblong, 1–3.5 mm, adaxial pair shorter than median or lateral pairs; ovules 40–92 per ovary. Fruits 4.5–14(–16.7) cm ´ 1–1.5 mm, divaricate to ascending, terete or slightly latiseptate, often distinctly curved; valves with an obscure midvein; style obsolete or to 0.4 mm; stigma subentire. Seeds 1.4–2.2 x 0.9–1.2 mm; cotyledons entire.

Flowering Apr–Jul(–Aug).

Habitat: chaparral, montane forests, serpentine areas, grantitic and shale scree.

Elevation: 800–2900 m.

Distribution: United States (S California).

 

 
 
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