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 August 23, 2016.

Citation for the whole project: Jepson Flora Project (eds.) 2016. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on August 23, 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. Yellow markers indicate records that may provide evidence for eFlora range revision or may have georeferencing or identification issues. Purple markers indicate specimens collected from a garden, greenhouse, or other non-wild location.
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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.