Jepson Flora Project: Jepson Interchange |
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TREATMENT FROM THE JEPSON MANUAL (1993) |
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Jepson Interchange (more information) |
©Copyright 1993 by the Regents of the University of California
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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]
Species in genus: 1 sp
Etymology: (Latin: little tower)
Native |
Subshrub, densely glandular, sticky, ill-scented
Stem erect, stout, densely leafy, 13 m, branched from base
Leaves simple, cauline, alternate, sessile; blade 430 cm, lanceolate, entire or toothed, margins of upper sometimes rolled down
Inflorescence terminal, branched; flowers short-pedicelled, densely clustered
Flower: calyx lobes 36 mm, glandular, coarsely long-hairy; corolla 1020 mm, shallowly lobed, funnel-shaped, glandular, hairy outside, blue, lavender, or purple; stamens included, unequal; ovary chambers 2, styles 2, 47 mm
Fruit: valves 4, 34 mm, ovoid, glandular, hairy
Seeds many, oblong-ovoid, angular, shiny black, finely ridged, minutely net-sculptured
Chromosomes: n=13
Ecology: Generally disturbed areas, chaparral, dry granitic soils of slopes, ridges
Elevation: 1002300 m.
Bioregional distribution: s Sierra Nevada, s San Joaquin Valley, s Outer South Coast Ranges, Southwestern California, n Desert Mountains (Panamint Mtns)
Distribution outside California: Baja California
Flowering time: JunAugHorticultural information: DRN, DRY, SUN: 1, 2, 7, 8, 9, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24; DFCLT.