Jepson Flora Project: Jepson Interchange    

 
link to manual TREATMENT FROM THE JEPSON MANUAL (1993) previous taxon | next taxon
Jepson Interchange (more information)
©Copyright 1993 by the Regents of the University of California

    THIS PAGE IS NO LONGER UPDATED
    AND IS MAINTAINED FOR ARCHIVAL PURPOSES ONLY
  • Up-to-date information about California vascular plants is available from the Jepson eFlora.

BRASSICACEAE

MUSTARD FAMILY

Reed C. Rollins, except as specified

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 1–many 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 80:686–699; Rollins 1993 Cruciferae of Continental North America. Stanford Univ Press]
Family description, key to genera by Robert A. Price.

LESQUERELLA

BLADDERPOD

Biennial, perennial herb; hairs ± dense, stellate, rarely simple, often silvery
Stem generally arising laterally from basal leaf cluster
Leaves simple; basal petioled, linear to round, entire to pinnately lobed; cauline sessile or lower short-petioled, base tapered
Flower: sepals erect or spreading, oblong to elliptic; petals widely obovate, entire, generally yellow; stamens 6
Fruit elliptic to ± round, plump or ± flattened parallel or perpendicular to septum; hairs stellate or 0; pedicel slender, straight or not
Seeds 2–10(14) per chamber, ± round, ± plump or flat; margin generally 0; embryonic root at edges of both cotyledons
Species in genus: ± 95 species: generally North America, ± 12 South America
Etymology: (L. Lesquereux, Am botanist, 1805–1889)
Reference: [Rollins & Shaw 1973 Harvard Univ Press: 1–228]

Native

L. kingii (S. Watson) S. Watson

Perennial, caudexed; hairs dense, 5–7-rayed
Stems prostrate, decumbent or erect, few–many, 0.5–1.5(4) dm
Leaves: basal blades 2–6 cm, widely elliptic or diamond-shaped to round, entire to ± lobed; cauline 0.5–2 cm, elliptic to obovate, lower short-petioled
Flower: petals 5.5–13 mm
Fruit 3.5–9 mm; valve hairs dense outside, 0 to dense inside; pedicel 5–10(15) mm, generally S-shaped, rarely straight or 1-curved; style (2)4–9 mm
Seeds 2–8 per chamber, flat, not margined
Ecology: Dry soils, rocky sites
Elevation: 1500–2750 m.
Bioregional distribution: San Bernardino Mountains, East of Sierra Nevada, Desert Mountains
Distribution outside California: to Utah, Mexico
4 subspp. total.

Native

subsp. latifolia (A. Nelson) Rollins & E.A. Shaw

Plant prostrate to erect
Leaves: basal widely elliptic or ± round, petioles = to 2 X blades
Fruit elliptic to round, ± flat parallel to septum, often short-stalked above receptacle; top obtuse; valve hairs dense outside, 0 inside; septum entire; style 2–6 mm, stout
Seeds 4–8 per chamber
Chromosomes: 2n=10
Ecology: Gravelly soil, limestone outcrops, ridges
Elevation: 1500–2300 m.
Bioregional distribution: Desert Mountains
Distribution outside California: to Utah, Mexico
Horticultural information: TRY.

previous taxon | next taxon
bioregional map for LESQUERELLA%20kingii%20subsp.%20latifolia being generated
 


Retrieve Jepson Interchange Index to Plant Names entry for Lesquerella kingii subsp. latifolia
Retrieve dichotomous key for Lesquerella
Overlay Consortium of California Herbaria specimen data by county on this map
Show other taxa with the same California distribution | Read about bioregions | Get lists of plants in a bioregion
Return to the Jepson Interchange main page
Return to treatment index page
Glossary


University & Jepson Herbaria Home Page |
General Information | University Herbarium | Jepson Herbarium |
Visiting the Herbaria | On-line Resources | Research |
Education | Related Sites
Copyright © by the Regents of the University of California