Difference between revisions of "Carex arkansana"
Bot. Gaz. 21: 6. 1896.
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| − | |basionyms={{Treatment/ID/ | + | |special_status={{Treatment/ID/Special_status |
| + | |code=F | ||
| + | |label=Illustrated | ||
| + | }}{{Treatment/ID/Special_status | ||
| + | |code=E | ||
| + | |label=Endemic | ||
| + | }} | ||
| + | |basionyms={{Treatment/ID/Basionym | ||
|name=Carex rosea var. arkansana | |name=Carex rosea var. arkansana | ||
|authority=L. H. Bailey | |authority=L. H. Bailey | ||
| + | |rank=variety | ||
| + | |publication_title=Bot. Gaz. | ||
| + | |publication_place=13: 87. 1888 (as arkansas) | ||
}} | }} | ||
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name=Carex arkansana | name=Carex arkansana | ||
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|authority=(L. H. Bailey) L. H. Bailey | |authority=(L. H. Bailey) L. H. Bailey | ||
|rank=species | |rank=species | ||
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|publication title=Bot. Gaz. | |publication title=Bot. Gaz. | ||
|publication year=1896 | |publication year=1896 | ||
| − | |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_507.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 15–60 cm, 1.4–2 mm wide basally, 0.7–0.9 mm wide distally. Leaves: sheaths tight, green, fronts hyaline; ligules to 1.5 mm, wider than long; widest leaf blades 1–2.5 mm wide. Inflorescences with 3–6 spikes, 1.5–4 cm × 7–12 mm; proximal internodes 1–1.5 times as long as proximal spikes; proximal bracts 6–25 cm, at least 2 times as long as inflorescences; spikes with 8–20 spreading perigynia. Pistillate scales hyaline with green, 3-veined center, ovate, 2–3.5 × 1.2–2.4 mm, body 2/3 to almost length of perigynium, distinctly narrower, apex acuminate to awned. Anthers 1.3–1.8 mm. Perigynia pale green, veinless or indistinctly veined abaxially, 3.3–4 × 2.3–3 mm, base of body somewhat spongy, thickened, margins serrulate distally; beak 0.8–1.2 mm, apical teeth 0.3–0.7 mm. Achenes suborbiculate, 1.5–2 × 1.5–1.8 mm.
Phenology: Fruiting late spring.
Habitat: Moist prairies, forest openings, roadside ditches
Elevation: 100–500 m
Distribution
Ark., Ill., Kans., Mo., Okla., Tex.
Discussion
Selected References
None.