Atriplex hymenelytra — Details

Desertholly learn more about names for this taxon

Overview

Distribution

Localities documented in Tropicos sources

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Atriplex hymenelytra (Torr.) S. Watson:
United States (North America)

Note: This information is based on publications available through Tropicos and may not represent the entire distribution. Tropicos does not categorize distributions as native or non-native.
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Ariz., Calif., Nev., Utah.
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National Distribution

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United States

Origin: Unknown/Undetermined

Regularity: Regularly occurring

Currently: Unknown/Undetermined

Confidence: Confident

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Physical Description

Morphology

Description

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Shrubs, dioecious, 3-15+ dm, as wide, unarmed. Leaves persistent, alternate, petiolate; blade greenish to silvery white, orbiculate to reniform or oval, 10-40 mm, as wide or wider, prominently dentate, teeth to 10 mm, permanently scurfy. Staminate flowers yellow to purple-brown, in clusters 3-4 mm thick, borne in panicles to 3 cm. Pistillate flowers borne in inflorescences similar to staminate ones. Fruiting bracteoles sessile, rather prominently veined, orbiculate to reniform, strongly compressed, 7-10 × 7-10 mm, thin, united at base, margin entire to crenate, glabrous, lacking processes. Seeds brown, 2 mm wide; radicle sublateral. 2n = 18.
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Diagnostic Description

Synonym

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Obione hymenelytra Torrey in War Department [U.S.], Pacif. Railr. Rep. 4(5): 119. 1857
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Ecology

Habitat

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Warm desert shrub, on dry saline alluvial fans and hills; 80-1200m.
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Life History and Behavior

Cyclicity

Flowering/Fruiting

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Flowering spring.
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Conservation

Conservation Status

National NatureServe Conservation Status

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United States

Rounded National Status Rank: NNR - Unranked

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NatureServe Conservation Status

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Rounded Global Status Rank: G5 - Secure

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Wikipedia

Atriplex hymenelytra

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Atriplex hymenelytra is a species of saltbush known by the common name desert holly. Desert holly is native to the Southwestern United States, California, Baja California, and northwestern Mexico. [1]

Description

This is a desert-dwelling shrub, such as in the Mojave Desert, reaching heights of between one half and one meter, 1.5-3 feet. It is generally a rounded bush covered in distinctive reflective silver-gray, twisted, oblong, many-pointed leaves. The colour is from salt left on their leaves, this helps reflect the light and therefore reduce the amount of water lost. The fruits are enclosed in disc-shaped bracteoles after flowering. [1]

The toothed leaves and the small reddish fruits borne on the plant give it a passing resemblance to the unrelated European holly. [1]

References

  1. ^ a b c http://ucjeps.berkeley.edu/cgi-bin/get_JM_treatment.pl?3084,3089,3112 Jepson
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Notes

Comments

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Atriplex hymenelytra occurs with saltbush, Larrea-Ambrosia, ephedra, and yucca. This is a handsome, rounded shrub with silvery white foliage, sometimes contrasting strongly with the peculiar substrates on which it grows. Its relationships to other of the southwestern species are recondite, but possibly it is allied to A. confertifolia, with which C. A. Hanson (1962) suggested an affinity.
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