Difference between revisions of "Carex atlantica"
Bull. Torrey Bot. Club 20: 425. 1893.
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|name=Carex stellulata var. conferta | |name=Carex stellulata var. conferta | ||
|authority=Chapman | |authority=Chapman | ||
| + | |publication_title=Fl. South. U.S., | ||
| + | |publication_place=534. 1860, | ||
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|genus=Carex | |genus=Carex | ||
|section=Carex sect. Stellulatae | |section=Carex sect. Stellulatae | ||
Revision as of 19:09, 24 September 2019
Culms 10–110 cm. Leaves 3–5 per culm; sheaths tight, inner band hyaline, 3.5–24 cm, apex concave, glabrous; ligules rounded to obtuse, 0.5–3.7 mm; blades plicate, 8–60 cm × 0.4–4(–4.5) mm, widest leaf 0.8–4(–4.5) mm wide. Inflorescences 0.8–5.5 cm; spikes 2–8; lateral spikes pistillate often with a few staminate flowers proximally, 3.1–13.1 mm, sessile, staminate portion 10-flowered, to 6.5 mm, pistillate portion 3–40-flowered, 2.5–12 mm; basal 2 spikes 1.5–18 mm apart; terminal spike gynecandrous, 4.8–23.7 mm, staminate portion 2–21-flowered, 1.8–13.5 × 0.8–1.3 mm, pistillate portion 4–38-flowered, 3–11 × 4.4–7.5 mm. Pistillate scales ovate to ± suborbicular, 1.2–2.4 × 1.2–2 mm, apex obtuse to acute. Staminate scales ovate-lanceolate to ovate, 1.3–3.5 × 0.8–1.4 mm, base clavate, apex acute to obtuse. Anthers 0.6–1.5(–1.8) mm. Perigynia spreading to reflexed, green, 6–13-veined abaxially, (0–)1–12-veined adaxially over achene, broadly ovate to suborbicular, cuneate or concavely tapered from widest point to beak, 1.9–3.8 × (1.3–)2.1–3 mm, 1.1–1.7(–1.9) times as long as wide; beak 0.45–1.25 mm, 0.23–0.5(–0.63) length of body, serrulate, teeth 0.15–0.45 mm. Achenes deltate to rhombic-orbiculate, 1–1.9 × 1–1.7 mm.
Distribution
North America.
Discussion
Subspecies 2 (2 in the flora).
Selected References
None.
Key
| 1 | Widest leaves 1.6–4(–4.5) mm wide; inflorescences usually (1.5–)1.8–5.5 cm; perigynia 2.3–3.8 mm. | Carex atlantica subsp. atlantica |
| 1 | Widest leaves (0.65–)0.8–1.6 wide; inflorescences usually 0.8–2 cm; perigynia 1.9–3 mm. | Carex atlantica subsp. capillacea |