Grasses List |
Sedge Club- & Spike-Rush Family [Cyperaceae] |
category
status
flower
maleflower
femalepetals
type
stem
concavesex
31st May 2005, Yarmouth, IoW. | Photo: (CC by 2.0) Geoff Toone |
Greater Pond-sedgehas a stouter stem than Lesser Pond-weed. Also the male spikelets (the thinner ones at the top) are more numerous (at between 3 and 6) than those of Lesser Pond-weedand longer (2 to 6cm) with glumes 7 to 9mm long.
The female spikelets below them are both longer (3 to 10cm long) and stouter (10 to 12mm wide) with the lower female spikelets usually with long stalks and more tapering at their ends than are those of |
31st May 2005, Yarmouth, IoW. | Photo: (CC by 2.0) Geoff Toone |
31st May 2005, Yarmouth, IoW. | Photo: (CC by 2.0) Geoff Toone |
The leaf-sheaths are also more translucent and paler than those of Lesser Pond-weedand moreover do not usually break up into thinner filaments. |
31st May 2005, Yarmouth, IoW. | Photo: (CC by 2.0) Geoff Toone |
The female glumes are 7 to 10mm long and more pronouncedly oblong and are sharply tapered to a long point than those of Lesser Pond-weed. The fruits are 5 to 8mm long, ovoidal, and bulging; first green then dark greyish-brown. The beak of the fruit gradually tapers to a long beak which is forked at the tip. |
31st May 2005, Yarmouth, IoW. | Photo: (CC by 2.0) Geoff Toone |
31st May 2005, Yarmouth, IoW. | Photo: (CC by 2.0) Geoff Toone |
31st May 2005, Yarmouth, IoW. | Photo: (CC by 2.0) Geoff Toone |
Greater Pond-sedgehas broader leaves (6 to 15mm wide as opposed to 7 to 10mm wide) than Lesser Pond-weed. The leaves are also more upright. |
Hybridizes with :
Like Lesser Pond-Sedge, Bottle Sedge, Glaucous Sedge, It is native and grows in shallow water (as does Lesser Pond-Sedge) such as fen woods, reed swamps, beside ponds and rivers. The fruits are extant between June to September.
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Carex | riparia | ⇐ Global Aspect ⇒ | Cyperaceae |
Carex (Sedge) |
Sedge Club- & Spike-Rush Family [Cyperaceae] |