Jepson eFlora: Taxon page
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Eucnide rupestris
ANNUAL ROCK-NETTLE

Higher Taxonomy
Family: LoasaceaeView DescriptionDichotomous Key

Common Name: LOASA FAMILY
Habit: Annual to subshrub; hairs needle-like, barbed, occasionally stinging. Leaf: alternate [opposite], generally +- pinnate-lobed; stipules 0. Inflorescence: cyme, raceme. Flower: bisexual, radial; sepals generally 5, generally persistent; petals generally 5, free or fused to each other or filament tube; stamens 5--many, filaments thread-like to flat, occasionally fused at base or in clusters; petal-like staminodes occasionally present; pistil 1, ovary inferior, chamber generally 1, placentas generally 3, parietal, style 1. Fruit: capsule or achene. Seed: 1--many.
Genera In Family: 18+ genera, 250 species: especially America (Africa, Pacific).
eFlora Treatment Author: Larry Hufford & Barry Prigge, except as noted
Scientific Editor: Douglas H. Goldman, Bruce G. Baldwin.
Genus: EucnideView DescriptionDichotomous Key

Common Name: ROCK-NETTLE
Habit: Annual or subshrub; hairs needle-like, stinging, barbed. Leaf: widely ovate to +- round, toothed to +- lobed; base widely tapered to cordate. Inflorescence: cyme, bracted. Flower: petals fused at least at base; stamens epipetalous or fused at base into a short tube; ovary funnel-shaped to hemispheric, placentas 5, stigma lobes 5, generally appressed. Fruit: obovoid to spheric, nodding or reflexed, dehiscent at top by 5 valves. Seed: many, < 1 mm, +- oblong, grooved or ribbed.
Species In Genus: 14 species: southwestern United States, northern Mexico. Etymology: (Greek: strongly nettle-like)

Eucnide rupestris (Baill.) H.J. Thomps. & W.R. Ernst
NATIVE
Habit: Plant < 30 cm. Leaf: petiole < 6 cm; blade 1--8 cm, generally round, widely tapered to cordate, toothed to weakly lobed, shiny-green above. Flower: sepals 3.5--7 mm, 2--3 mm wide, tip obtuse; corolla tube narrow-cylindric with ring of hairs at base, lobes erect; stigma below most anthers. Fruit: 7--15 mm, cylindric; pedicel < 2 cm, reflexed.
Ecology: Crevices, cliffs; Elevation: 500--600 m. Bioregional Distribution: s DSon (Painted Gorge, Imperial Co.); Distribution Outside California: Arizona, northern Mexico (including islands). Flowering Time: Dec--Apr
Synonyms: Sympetaleia rupestris (Baill.) A. Gray ex S. Watson
eFlora Treatment Author: Larry Hufford & Barry Prigge
Jepson Online Interchange
Listed on CNPS Rare Plant Inventory

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Citation for this treatment: Larry Hufford & Barry Prigge 2016. Eucnide rupestris, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=25302, accessed on May 06, 2016.

Citation for the whole project: Jepson Flora Project (eds.) 2016. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on May 06, 2016.


Eucnide rupestris
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© 2005 Dieter Wilken

More photos of Eucnide rupestris in CalPhotos


Geographic subdivisions for Eucnide rupestris:
s DSon (Painted Gorge, Imperial Co.);
Markers link to CCH specimen records. If the markers are obscured, reload the page [or change window size and reload]. Yellow markers indicate records that may provide evidence for eFlora range revision or may have georeferencing or identification issues.
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map of distribution 1
(Note: any qualifiers in the taxon distribution description, such as 'northern', 'southern', 'adjacent' etc., are not reflected in the map above, and in some cases indication of a taxon in a subdivision is based on a single collection or author-verified occurence).

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Data provided by the participants of the Consortium of California Herbaria.
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CCH collections by month

Duplicates counted once; synonyms included.
Species do not include records of infraspecific taxa.
Blue line denotes eFlora flowering time.