Home Brassicaceae
About
Name Search
Genera
Species List
Streptanthus bernardinus (Greene) Parish 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 Garden Decrease font Increase font Restore font
 

Published In: Plant World 20(7): 216. 1917. (Pl. World) Name publication detail
 

Project Name Data (Last Modified On 7/24/2009)
 

Export To PDF Export To Word

4. Streptanthus bernardinus (Greene) Parish, Pl. World 20: 216. 1917; Agianthus bernardinus Greene, Leafl. Bot. Observ. Crit. 1: 228. 1906; Streptanthus campestris S. Watson var. bernardinus (Greene) I. M. Johnston, Pl. World 22: 89. 1919. TYPE: United States, California, San Bernardino Co., San Bernardino Mts., Bear Valley, 25 June 1894, 6500 m, Samuel B. Parish 3035 (lectotype here designated, NDG; isolectotype, MO!).

Agianthus jacobaeus Greene, Leafl. Bot. Observ. Crit. 1: 229. 1906; S. campestris var. jacobaeus (Greene) Jepson, Fl. Calif. 2: 28. 1936. TYPE: United States, California, San Diego Co., Cuyamaca Mts., Jul 1889, C. R. Orcutt 1507 (holotype, US).

     Herbs, perennial, with woody, often elevated, simple or few-branched caudex, glabrous throughout except for petioles and sepal apex, glaucous. Stems 2.5–8.6 dm, erect, simple or few branched. Basal leaves not rosulate, with ciliate petioles, oblanceolate to spatulate, 2–8 x 0.7–2.5 cm, remotely dentate above middle; middle cauline leaves ovate to lanceolate, 2–10 x 0.5–2.8 cm, sessile, amplexicaul, entire, acute to acuminate, not overlapping; upper leaves smaller in size, reduced. Racemes ebracteate, lax, without a terminal cluster of sterile flowers; fruiting pedicels divaricate-ascending, straight, 4–7.5 mm. Flowers: sepals forming campanulate calyx, pale yellow to white, broadly oblong to ovate, 5–9 mm, not keeled, ascending, subapically with few stiff trichomes; petals white, 7–11 mm; blade 2–4 x 1–1.3 mm, not crisped; claw white, 6–9 mm, wider than blade; stamens nearly tetradynamous; median filament pairs free, 6.5–8.5 mm; lateral pair 4.5–5.5 mm; anthers of all stamens fertile, 3.5–4.5 mm. Fruits 5–12.7 cm x 1.5–3 mm, ascending to spreading, flattened, straight or curved, not torulose; valves glabrous, with obscure midvein at least distally; gynophore 0.5–1.5 mm; replum straight; style 0.8–2.5 mm; stigma subentire; ovules and seeds 36–56 per fruit. Seeds oblong, 2–3 x 1.4–2 mm; wing 0.1–0.2 mm wide at seed apex. 2n = 28.

Flowering: Jun–Aug.

Habitat: dry open pine or cypress woods, chaparral.

Elevation: 1200–2500 m.

Distribution: Mexico (Baja California), United States (S California/San Bernardino and San Diego counties).

 

 
 


 

 
 
© 2014 Missouri Botanical Garden - 4344 Shaw Boulevard - Saint Louis, Missouri 63110