TREATMENT FROM THE JEPSON MANUAL (1993) |
previous taxon |
next taxon
Jepson Interchange (more information) |
|
©Copyright 1993 by the Regents of the University of California
For up-to-date information about California vascular plants, visit the Jepson eFlora. |
AND IS MAINTAINED FOR ARCHIVAL PURPOSES ONLY |
Annual to subshrub
Leaves generally basal and cauline, alternate, generally simple; stipules 0
Inflorescence: generally raceme
Flower bisexual; sepals 4, free; petals (0)4, free, generally white or yellow, often clawed; stamens generally (2,4)6, generally 4 long, 2 short; ovary 1, superior, chambers generally 2, septum membranous, connecting 2 parietal placentas, style 1, stigma simple or 2-lobed
Fruit: generally capsule ("silique") with 2 deciduous valves, sometimes breaking transversely or indehiscent
Seeds 1many per chamber
Genera in family: 300+ genera, 3000+ species: worldwide, especially cool regions; some cultivated for food (especially Brassica, Raphanus ) and ornamental
Recent taxonomic note: Recently treated to include Capparaceae [Rodman et al. 1993 Ann Missouri Bot Gard 80:686699; Rollins 1993 Cruciferae of Continental North America. Stanford Univ Press]
Family description, key to genera by Robert A. Price.CUSICKIELLA
Perennial, low-cespitose, taprooted
Leaves generally basal, clustered at tips of caudex branches, sessile, entire
Flower: sepals hairy or not, bases not sac-like; petals erect, white or yellowish, distinct claws 0; ovules 2 per chamber
Fruit sessile above receptacle, ovate to ± oblong or fusiform, not or ± flat toward tip; valves rounded or keeled; pedicel ascending
Seed generally 1, 23 mm, brown, plump, ± round or ovate-oblong; wing 0; embryonic root at back of 1 cotyledon
Species in genus: 2 species: w US
Etymology: (W.C. Cusick, Oregon plant collector, 18421922)
Reference: [Rollins 1988 J Jap Bot 63:6569]
Native C. douglasii (A. Gray) Rollins
Caudex branches underground
Stem 35 cm, hairy or not
Leaf oblanceolate; hairs generally on margins, some not, generally simple
Fruit 37 mm, ± flat; hairs generally simple or 0; pedicel hairy or not; style 0.51.5 mm
Ecology: Rocky ridges, slopes
Elevation: 15002450 m.
Bioregional distribution: Klamath Ranges, North Coast Ranges, Sierra Nevada, San Bernardino Mountains, Great Basin Floristic Province
Distribution outside California: to Washington, Idaho, Utah
Flowering time: MayJun
Synonyms: Draba d. A. Gray var. crockeri (Lemmon) C.L. Hitchc
previous taxon | next taxon
Retrieve Jepson Interchange Index to Plant Names entry for Cusickiella douglasii
Retrieve dichotomous key for Cusickiella
Return to treatment index page
Glossary
University & Jepson Herbaria Home Page | Copyright © by the Regents of the University of California