Jepson Flora Project: Jepson Interchange    

link to manual TREATMENT FROM THE JEPSON MANUAL (1993) previous taxon | next taxon
Jepson Interchange (more information)
©Copyright 1993 by the Regents of the University of California

  • Up-to-date information about California vascular plants is available from the Jepson eFlora.



Robert L. Schlising

Annual, perennial herb, generally monoecious; hairs often hardened by calcium deposits
Stems trailing or climbing, 1–many; tendril generally 1 per node, often branched
Leaves generally simple, alternate, generally palmately lobed, veined, petioled; stipule 0
Inflorescences at nodes; staminate flowers in racemes, panicles, small clusters, rarely solitary; pistillate flowers generally solitary
Flower unisexual in CA, radial; hypanthium > ovary; calyx (apparently 0 or) generally 5-lobed; corolla rotate or cup-shaped, generally 5-lobed; stamens 3–5 (or appearing 1–3 from fusion), anthers often > filaments, twisted together; ovary ± inferior, chambers generally 5, placentas parietal, ± growing into chambers, styles 1–3, stigmas generally lobed, large
Fruit: berry (sometimes drying) or capsule (irregularly dehiscent), generally gourd- or melon-like
Seeds 1–many
Genera in family: 100 genera, 700 species: especially tropical; some cultivated (Citrullus ; Cucumis ; Cucurbita ; Sechium , chayote). Citrullus colocynthis var. lanatus has been reported as a weed in DSon.



Annual, perennial herb (from large, fleshy, tuber-like root)
Stem smooth to scabrous; tendril generally branched
Leaf lanceolate to round, entire to deeply lobed
Inflorescence: flowers 1 per node, staminate and pistillate at different nodes
Flowers: corolla > 3 cm wide (staminate generally < pistillate), deeply cup- or bell-shaped, yellow, fused portion 4–12 cm, lobes generally recurved; stigmas 3, each 2-lobed
Fruit gourd-like, indehiscent, ± round to ± flat; rind firm, smooth, rough, or grooved
Seeds many, < ± 2 cm, ± ovate, ± flat; margin thick or raised
Species in genus: ± 30 species: warm Am
Etymology: (Latin: gourd)
Reference: [Rhodes et al. 1968 Brittonia 20:251–266]


C. digitata A. Gray


Herbage ± scabrous, hairy; tendril branched ± from base
Leaf 3–9 cm; blade ± cordate in outline, green, main veins lighter, lobes generally 5, distinct nearly to petiole, ± linear-lanceolate, lateral 2 lobes generally coarsely toothed
Flower: corolla 3–5 cm
Fruit 7–8 cm wide, round to oblong, dark green, ± mottled, with several, narrow, well defined, whitish stripes
Seed 10–11 mm, white
Chromosomes: 2n=40
Ecology: Uncommon. Sandy, open or shrubby places
Elevation: < 1200 m.
Bioregional distribution: Peninsular Ranges, Sonoran Desert
Distribution outside California: to New Mexico, Mexico
Flowering time: Aug–Oct
Horticultural information: TRY.

previous taxon | next taxon
bioregional map for CUCURBITA%20digitata being generated

Retrieve Jepson Interchange Index to Plant Names entry for Cucurbita digitata
Retrieve dichotomous key for Cucurbita
Overlay Consortium of California Herbaria specimen data by county on this map
Show other taxa with the same California distribution | Read about bioregions | Get lists of plants in a bioregion
Return to the Jepson Interchange main page
Return to treatment index page

University & Jepson Herbaria Home Page |
General Information | University Herbarium | Jepson Herbarium |
Visiting the Herbaria | On-line Resources | Research |
Education | Related Sites
Copyright © by the Regents of the University of California