Difference between revisions of "Carex austrina"
Bull. Torrey Bot. Club 34: 151. 1907.
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| − | |basionyms={{Treatment/ID/ | + | |special_status={{Treatment/ID/Special_status |
| + | |code=F | ||
| + | |label=Illustrated | ||
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| + | |code=E | ||
| + | |label=Endemic | ||
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| + | |basionyms={{Treatment/ID/Basionym | ||
|name=Carex muehlenbergii var. australis | |name=Carex muehlenbergii var. australis | ||
|authority=Olney ex L. H. Bailey | |authority=Olney ex L. H. Bailey | ||
| + | |rank=variety | ||
| + | |publication_title=Proc. Amer. Acad. Arts | ||
| + | |publication_place=22: 141. 1886 | ||
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name=Carex austrina | name=Carex austrina | ||
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|authority=Mackenzie | |authority=Mackenzie | ||
|rank=species | |rank=species | ||
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|publication title=Bull. Torrey Bot. Club | |publication title=Bull. Torrey Bot. Club | ||
|publication year=1907 | |publication year=1907 | ||
| − | |special status= | + | |special status=Illustrated;Endemic |
| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V23/V23_506.xml |
|genus=Carex | |genus=Carex | ||
|section=Carex sect. Phaestoglochin | |section=Carex sect. Phaestoglochin | ||
Latest revision as of 21:41, 5 November 2020
Plants without conspicuous rhizomes. Culms 20–90 cm, 1.5–3 mm wide basally, 0.9–1.1 mm wide distally. Leaves: sheaths tight, green, fronts hyaline, yellowish and thickened at mouth; ligules to 3 mm, as long as wide; widest leaf blades 2.5–4.5 mm wide, sometimes papillose adaxially. Inflorescences with (3–)5–10 spikes, 1.5–3.5 cm × 8–15 mm; proximal internodes equaling or shorter than proximal spikes; proximal bracts 1–5 cm; spikes with 8–20 ascending or spreading perigynia. Pistillate scales hyaline or brown with green, 3-veined center, ovate, (2.4–)3–4.3 × (1–)1.6–3 mm, body slightly shorter to longer than perigynium and as wide, apex awned to 1.5–3.5(–4) mm. Anthers 2.2–2.5 mm. Perigynia pale green, pale yellow, or pale brown, 9–15-veined abaxially, 3.5–5 × 2.2–3 mm, margins serrulate distally; beak 0.8–1.2 mm, apical teeth 0.4–0.6 mm. Achenes suborbiculate, 1.9–2.5 × 1.5–2 mm.
Phenology: Fruiting late spring–early summer.
Habitat: Dry prairies, forests, roadside ditches, often in calcareous soils
Elevation: 100–500 m
Distribution
Ala., Ark., Iowa, Kans., Ky., La., Miss., Mo., Nebr., Okla., Tenn., Tex.
Discussion
Selected References
None.