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, 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]
Perennial; roots fleshy-fibrous or tuber-like, attached to rhizomes
Stem erect, fleshy
Leaves simple, pinnately lobed, or compound, basal or cauline, alternate; petiole widened, clasping; leaflets toothed or lobed, hairy, generally paler below
Inflorescence generally branched, generally head-like; pedicels generally elongate, sometimes recurved in fruit
Flower: calyx bell-shaped, lobes linear to lanceolate, acute to obtuse, glabrous or hairy, generally ciliate; corolla lobed to middle, > calyx, bell-shaped, lobes hairy; stamens equal, exserted, filaments hairy; ovary chamber 1, style 1, exserted, stigmas 2, base persistent
Fruit 35 mm wide, spheric; tip generally bristly, loosely enclosed by calyx
Seeds 14, oblong to spheric, brown; surface net-like
Species in genus: 8 species: North America
Etymology: (Greek: water leaf)
Reference: [Constance 1942 Amer Midl Nat 27:710731]