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.



Barry Prigge

Annual to shrub; hairs needle-like, stinging, or rough
Leaves alternate in CA, generally ± pinnately lobed; stipules 0
Inflorescence various
Flower bisexual, radial; sepals generally 5, generally persistent in fruit; petals generally 5, free or fused to each other or to filament tube; stamens 5–many, filaments thread-like to flat, sometimes fused at base or in clusters; petal-like staminodes sometimes present; pistil 1, ovary inferior, chamber generally 1, placentas generally 3, parietal, style 1
Fruit: generally capsule (utricle)
Seeds 1–many
Genera in family: 15 genera, ± 200 species: especially Am (Africa, Pacific)
Reference: [Ernst & Thompson 1963 J Arnold Arbor 44:138–142]



Annual to subshrub; hairs generally needle-like and stinging (or barbed)
Leaf widely ovate to ± round, toothed to ± lobed; base widely tapered to cordate
Inflorescence: cyme, bracted
Flower: petals fused below middle or to filament tube; stamens many, epipetalous or fused at base into short tube; ovary club-shaped to spheric, placentas 5, stigma lobes 5, generally appressed
Fruit obovoid to spheric, nodding or reflexed, clearly pedicelled, dehiscent from top by 5 valves
Seeds many, < 1 mm, ± oblong, grooved or ribbed
Species in genus: 8 species: sw US, n Mex
Etymology: (Greek: strongly nettle-like)


E. rupestris (Baill.) H.J. Thomps. & W.R. Ernst


Annual < 30 cm
Leaf: petiole < 6 cm; blade 1–8 cm, generally round, toothed to weakly lobed, green and shiny above, base widely tapered to cordate
Flower: pedicel in fruit < 2 cm, reflexed; sepals 3.5–7 mm, 2–3 mm wide, tip obtuse; corolla tube 8–15 mm, narrowly cylindric, with ring of hairs at base, generally greenish, lobes 2–5 mm, erect, green; stamens epipetalous, sessile or filaments < 1.5 mm; stigma lobes below or = anthers
Fruit 7–15 mm, cylindric
Ecology: Crevices, cliffs
Elevation: 500–600 m.
Bioregional distribution: s Sonoran Desert (Painted Gorge, Imperial Co.)
Distribution outside California: Arizona, n Mexico (including islands)
Flowering time: Dec–Apr
Synonyms: Sympetaleia r. (Baill.) A. Gray
See the CNPS Inventory for information about endangerment and rarity.
previous taxon | next taxon
bioregional map for EUCNIDE%20rupestris being generated

Retrieve Jepson Interchange Index to Plant Names entry for Eucnide rupestris
Retrieve dichotomous key for Eucnide
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