Stephanomeria runcinata — Details

Desert Wirelettuce learn more about names for this taxon

Overview

Distribution

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Stephanomeria runcinata Nutt.:
China (Asia)
United States (North America)
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National Distribution

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Canada

Origin: Native

Regularity: Regularly occurring

Currently: Present

Confidence: Confident

Type of Residency: Year-round

United States

Origin: Unknown/Undetermined

Regularity: Regularly occurring

Currently: Unknown/Undetermined

Confidence: Confident

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Physical Description

Morphology

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Stephanomeria runcinata grows in the upper Great Plains and adjacent intermontane valleys.
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Description

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Perennials, 10–20(–25) cm (rhizomes stout). Stems erect or ascending, glabrous or weakly scabrous-puberulent. Leaves usually withered at flowering; basal blades narrowly lanceolate, markedly runcinate, 3–7 cm, margins pinnately lobed (faces glabrous or weakly scabrous-puberulent). cauline much reduced, bractlike . Heads borne singly on branch tips . Peduncles 10–50 mm (usually minutely bracteolate). Calyculi of appressed bractlets (unequal, lengths to 1/2 phyllaries). Involucres 9–12(–13) mm (phyllaries 5–6, glabrous). Florets 5–6. Cypselae tan, 3–5 mm, faces smooth to slightly bumpy, grooved; pappi of 15–25, white bristles (persistent), wholly plumose. 2n = 16.
  • Flora of North America @ eFloras.org
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Type Information

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Isotype for Ptiloria ramosa Rydb.
Collection: Smithsonian Institution, National Museum of Natural History, Department of Botany
Verification Degree: Original publication and alleged type specimen examined
Preparation: Pressed specimen
Collector(s): P. A. Rydberg
Year Collected: 1891
Locality: Badlands, N of Scott's Bluff., Nebraska, United States, North America
  • Isotype: Rydberg, P. A. 1900. Mem. New York Bot. Gard. 1: 453.
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Conservation

Conservation Status

National NatureServe Conservation Status

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Canada

Rounded National Status Rank: N3 - Vulnerable

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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