| 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, vine, tree
Leaves generally opposite, entire; stipules generally on stem, sometimes leaf-like (then leaves apparently whorled and stipules considered leaves), adjacent pairs sometimes fused
Inflorescence: cyme, panicle, cluster, or flower solitary, generally terminal and ± axillary
Flower generally bisexual; calyx generally ± 4-lobed, sometimes 0; corolla generally radial, 4-lobed; stamens epipetalous, alternate corolla lobes, generally included; ovary generally inferior, chambers generally 2 or 4, style 1, ± fused if 2
Fruit: 2 or 4 nutlets or a berry, drupe, or capsule
Genera in family: ± 500 genera, 6000 species: worldwide, especially tropical; many cultivated (including Coffea , coffee; Cinchona , quinine; many ornamental)
Reference: [Dempster 1979 Fl CA 4(2):1–47]
Annual
Leaves opposite; stipules fused to leaf bases, small, fringed
Inflorescence: flowers 1–several in axils, sessile
Flower: corolla funnel-shaped, lobes generally 4
Fruit: 2 nutlets; calyx teeth persistent
Species in genus: 50 species: warm Am, Africa
Etymology: (Greek: thoroughfare, from habitats)
| Native |
Stem erect, simple or branched, 7–25 cm, 4-angled
Leaf 2.5 cm, lanceolate, tip sharp; petiole and blade base transparent, fringed, forming a cup ± enclosing inflorescence
Flower: calyx lobes 4, stiff, unequal; corolla 3 mm, white or pink
Fruit: hairs stiff
Ecology: Sandy places
Elevation: 50 m.
Bioregional distribution: Sonoran Desert (sw Imperial Co.)
Distribution outside California: to eastern US, Mexico