Sunday, June 20, 2010

The Horse Hair Sedge

Horsehair sedge (Carex appropinquata) is a perennial plant, which belongs to the cypergrassenfamilie (Cyperaceae). The species is on the Dutch Red List of rare plants and moderately decreased. The species is native to Eurasia.

The plant is 40-80 cm tall and is thick with pollen overhanging stems and stalks. The relatively thin, rough stems are triangular. The yellow-green leaves are 2-3 mm wide and flat to gutter-shaped. The lower leaf sheaths constitute the aging a blackish, viscous fiber mass.

Horsehair sedge blooms in April and May Densely plumose inflorescence consists of rather loose, oblong-ovoid, often with spikes down to 2 cm long branches. Top of the ear are the male flowers to female flowers below. The bracts are awl-shaped. The reddish brown in the middle kafjes lighter and have no or very narrow membranous margins.

The flat round, oval, dull urntje is approximately 3 mm and on the reverse side and ten to twelve ribs on the ventral side about six veins. The urntje at the base rounded to cordate and acuminate at the summit a short beak tweetandige. Urntje a bract is a type that is entirely to the fruit. The ovary has two stamps.

The fruit is a lens-shaped nut.

Horsehair sedge occurs on wet, moderately rich soil in swamp forests, marshes and stream valley meadows.


See also: International Flower Delivery, Florist

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