Carex magellanica subsp. irrigua
boreal bog sedge, carex chétif, poor sedge
mostly phyllopodic, with dead leaf remains at base, 10–80 cm.
blades 1–4 mm wide, margins revolute, scabrid.
proximal bracts 3–15 cm, equaling or exceeding inflorescences;
lateral spikes, at least the proximal, usually with 1–3 staminate flowers at base, 6–22 × 4–8 mm, with 5–20 perigynia;
terminal spikes occasionally gynecandrous with 1–8 pistillate flowers, 7–20 × 1–4 mm.
2.5–3.6 × 1.8–2.5 mm, apex rounded;
beak absent or to 0.2 mm.
scales lanceolate, 2.8–7 × 1.1–2 mm, longer, narrower than perigynia, apex acute to acuminate, often awned to 3 mm.
scales oblanceolate to obovate, 4–6 × 1–1.6 mm, apex obtuse to acute.
1.6–2.5 mm.
= ca. 60.
Carex magellanica subsp. irrigua
Carex magellanica is one of the bipolar disjunct species of Carex discussed by D. M. Moore and A. O. Chater (1971). Carex magellanica subsp. magellanica occurs in cool temperate regions of South America. It is distinguished from C. magellanica subsp. irrigua by the terminal spike being almost always gynecandrous, the lateral spikes with (2–)3–7 staminate flowers, and the pistillate scales (1.3–)1.6–2.3 mm wide.
(Discussion copyrighted by Flora of North America; reprinted with permission.)
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