Overview

Distribution

Tragia ramosa Torr.:
United States (North America)
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Tragia stylaris Müll. Arg.:
United States (North America)
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National Distribution

United States

Origin: Unknown/Undetermined

Regularity: Regularly occurring

Currently: Unknown/Undetermined

Confidence: Confident

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Physical Description

Type Information

Isotype for Tragia stylaris var. latifolia Müll. Arg.
Collection: Smithsonian Institution, National Museum of Natural History, Department of Botany
Verification Degree: Status verified from secondary sources
Preparation: Pressed specimen
Collector(s): A. Fendler
Year Collected: 1847
Locality: New Mexico, United States, North America
  • Isotype: Müller Argoviensis, J. 1865. Linnaea. 34: 180.
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© Smithsonian Institution, National Museum of Natural History, Department of Botany

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Isotype for Tragia stylaris var. latifolia Müll. Arg.
Collection: Smithsonian Institution, National Museum of Natural History, Department of Botany
Verification Degree: Status verified from secondary sources
Preparation: Pressed specimen
Collector(s): A. Fendler
Year Collected: 1847
Locality: New Mexico, United States, North America
  • Isotype: Müller Argoviensis, J. 1865. Linnaea. 34: 180.
Creative Commons Attribution 3.0 (CC BY 3.0)

© Smithsonian Institution, National Museum of Natural History, Department of Botany

Source: National Museum of Natural History Image Collection

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Conservation

Conservation Status

National NatureServe Conservation Status

United States

Rounded National Status Rank: NNR - Unranked

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NatureServe Conservation Status

Rounded Global Status Rank: G5 - Secure

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Wikipedia

Tragia ramosa

Tragia ramosa is a species of flowering plant in the euphorb family known by the common name branched noseburn. It is native to the southwestern and southcentral United States and northern Mexico, where it grows in scrub, woodland, and other desert and plateau habitat. It is a perennial herb growing mostly erect, measuring 10 to 30 centimeters in maximum height. It is covered in long, rough stinging hairs.[1] The leaves have lance-shaped or oval blades with toothed edges which are borne on petioles. The plant is monoecious; its inflorescence contains a few male flowers and usually one female flower. The flowers lack petals but have green sepals. The female flower yields a small capsule.

References

  1. ^ Thurston, E. L. (1976). Morphology, fine structure and ontogeny of the stinging emergence of Tragia ramosa and T. saxicola (Euphorbiaceae). American Journal of Botany 63:6 710-18.
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