|Jepson Flora Project: Jepson Interchange|
|TREATMENT FROM THE JEPSON MANUAL (1993)||
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Jepson Interchange (more information)
©Copyright 1993 by the Regents of the University of California
AND IS MAINTAINED FOR ARCHIVAL PURPOSES ONLY
Annual, perennial herb, shrub, generally hairy, generally taprooted
Stem prostrate to erect
Leaves simple to pinnately compound, basal or cauline, alternate or opposite; stipules 0
Inflorescence: cyme (generally raceme-like and coiled) or flowers solitary
Flower bisexual, generally radial; calyx lobes generally 5, generally fused at base, generally persistent, enlarging in fruit; corolla generally deciduous, rotate to cylindric, lobes generally 5, appendages in pairs on tube between filaments or 0; stamens generally 5, epipetalous, filament base sometimes appendaged, appendages scale-like; ovary generally superior, chamber 1, placentas 2, parietal, enlarged into chamber, sometimes meeting so ovary appears 25-chambered, styles 12, stigmas generally head-like
Fruit: capsule, generally loculicidal; valves generally 2
Genera in family: 20 genera, 300 species: especially w US; some cultivated (Emmenanthe, Nemophila, Phacelia )
Recent taxonomic note: Recently treated to be included in an expanded Boraginaceae (also including Lennoaceae) [Angiosperm Phylogeny Group 1998 Ann Missouri Bot Gard 85:531553; Olmstead et al. 2000 Mol Phylog Evol 16:96112]
Annual, perennial herb, generally glandular-hairy, tap-rooted or from ± thick caudex
Leaves generally alternate, simple to 2-pinnately compound, generally ± reduced upward
Inflorescence: cyme, generally dense, coiled, generally 1-sided; pedicels generally short
Flower: corolla rotate to bell-shaped, white to purple, tube base with scales free or fused to filaments; stamens generally attached at same level, equal; ovary chamber 1 (or 2 below middle), placentas parietal, enlarging and meeting in fruit, style 2-lobed, generally hairy below lobes
Fruit oblong to spheric
Seeds 1many, oblong to spheric, generally brownish; back generally pitted or cross-furrowed
Species in genus: ± 175 species: Am; some cultivated for ornamental
Etymology: (Greek: cluster, from the dense inflorescence)
Reference: [Halse 1981 Madroño 28:121132; Heckard 1960 Univ Calif Publ Botany 32:1126; Lee 1988 Syst Bot 13:1620]
Bristly hairs may cause severe dermatitis. CA pers often hybridize, difficult to separate. Biennial and perennial herb species by Richard Halse.
Annual 1855 cm
Stem erect, generally simple, short-hairy, ± glandular
Leaf: petiole 2040 mm; blade < or > petiole, ovate to ± round, clearly toothed
Flower: pedicel 720 mm; calyx lobes 68 mm, 911 mm in fruit, oblong, hairy, glandular; corolla 1540 mm, funnel- to bell-shaped, bright blue, deciduous, scales fused to filament base, short, truncate to toothed; stamens 2045 mm, puberulent; style 2045 mm, short-hairy
Fruit 815 mm, ovoid, beaked, short-glandular-hairy
Seeds 4080, 11.5 mm, pitted
Ecology: Open, sandy or gravelly areas
Elevation: < 1600 m.
Bioregional distribution: Mojave Desert, n&w Sonoran Desert. Varieties intergrade in s DMtns.
Leaf: petiole 50200 mm; blade 30100 mm
Flower: corolla 2540 mm, ± funnel-shaped; style parted 1/41/2 length
Habitats of sp.
Bioregional distribution: Mojave Desert, n Sonoran Desert
Flowering time: MarMay
Horticultural information: TRY.