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]
Annual, fleshy
Stem many-branched, prostrate or reclined, brittle; angles ± glabrous, bristly, or generally with hooked prickles
Leaves simple, cauline; lower opposite; upper alternate; petioles generally winged, clasping; blade pinnately lobed, uppermost reduced, short-petioled, generally deltate, 3-lobed, with small, sharp bristles on both surfaces
Inflorescence terminal, axillary, opposite leaves, or flowers solitary; pedicels present
Flower: calyx lobes hairy, bristly-ciliate; corolla rotate, lobed to middle, lobes generally hairy; stamens included, equal, equally attached; ovary chamber 1, bristly-hairy, style 1, 2-lobed in distal 1/2
Fruit spheric; bristles stout
Seeds 18, spheric, brown, pitted or honeycombed
Species in genus: 3 species: CA, AZ, Baja CA
Etymology: (Greek: scale mouth)
Reference: [Constance 1939 Bull Torrey Bot Club 66:341352]