Carex

76 Carex spp

	Scientific name is	PlantDescription	StemDescription	LeafDescription	InflorescenceDescription	FlowerDescription	CapsuleDescription	SeedDescription
Carex albonigra	Carex albonigra
Carex anthoxanthea	Carex anthoxanthea			leaves flat and narrow to 2.5mm wide		Single spike per stem. Each spike with either male or female flowers. Perigynia slender, beak with dark tip. Stigmas 2 or 3.
Carex aquatilis	Carex aquatilis			Leaves linear and grass-like, up to 1/2 inch wide and to 20 inches or more long		Inflorescence of multiple spikes. The spikes may be nodding, but the uppermost is typically erect. The lower 3-5 with female flowers, the upper 2-4 with male flowers. The lowermost leaf-like bract is longer than the inflorescence.
Carex arcta	Carex arcta
Carex atherodes	Carex atherodes
Carex athrostachya	Carex athrostachya
Carex atratiformis	Carex atratiformis
Carex atrosquama	Carex atrosquama
Carex aurea	Carex aurea
Carex bebbii	Carex bebbii
Carex bicolor	Carex bicolor
Carex bigelowii	Carex bigelowii
Carex brunnescens	Carex brunnescens
Carex buxbaumii	Carex buxbaumii			Leaves grass-like, to 3.5 mm wide.		Multiple erect spikes on short stalks. The leaf-like bract length variable relative to the inflorescence. The spikes seperate on the stem. The uppermost spike with male flowers at base and female above, the other spikes all female. Perigynial bracts with sharp pointed apex. Perigynia beakless
Carex canescens	Carex canescens			Leaves grass-like,linear to 3.5 mm wide		Several spikes sessile and crowded on the stem. The bract is shorter than the spikes. Spikes have female flowers above and male flowers below. The terminal spike has male flowers less than half the spike length. Perigynial scales are green with a clear center.
Carex capillaris	Carex capillaris			Leaves linear, flat, to 4mm wide
Carex chordorrhiza	Carex chordorrhiza
Carex circinata	Carex circinata			Leaves linear, involute, to 0.5mm wide		One spike per stem. Spikes with male flowers above the female flowers.Perigynia narrow, 9 times as long as wide. Margins of upper end of perigynia with fine teeth. Beak tip clear. Stigmas 2.
Carex concinna	Carex concinna
Carex crawfordii	Carex crawfordii
Carex diandra	Carex diandra
Carex disperma	Carex disperma
Carex echinata	Carex echinata			Leaves linear, green, to 3mm wide		3-5 Spikes sessile on stalk, spikes may be seperated or crowded on the stem. Each spike with female flowers above and male flowers below. Green to brown perigynia spreading or bent back at maturity. Stigmas 2.
Carex filifolia	Carex filifolia
Carex flava	Carex flava
Carex foenea	Carex foenea
Carex fuliginosa	Carex fuliginosa
Carex garberi	Carex garberi
Carex glacialis	Carex glacialis
Carex glareosa	Carex glareosa
Carex gmelinii	Carex gmelinii
Carex gynocrates	Carex gynocrates
Carex hoodii	Carex hoodii
Carex interior	Carex interior
Carex krausei	Carex krausei
Carex lachenalii	Carex lachenalii
Carex laeviculmis	Carex laeviculmis
Carex lasiocarpa	Carex lasiocarpa
Carex lenticularis	Carex lenticularis			Leaves green to 4mm wide. Plant bases brown or reddish brown.		Bract subtending inflorescence longer than the spikes. Spikes erect. Lateral 3-7 staled spikes female, terminal spikes male. Perigynial bracts pale brown to black, shorter than perigynia. Perigynia with 2 stigmas.
Carex leptalea	Carex leptalea
Carex limosa	Carex limosa
Carex livida	Carex livida			Leaves linear, pale blue-green		2-3 erect spikes per inflorescence, lateral spikes stalked, with female flowers, terminal spike male. Perigynial bracts pale to dark brown with green midrib. Perigynia greenish, widest at middle, 3 stigmas.
Carex loliacea	Carex loliacea
Carex lyngbyei	Carex lyngbyei			Linear, green leaves to 8mm wide		Sub-inflorescence bract longer than inflorescence. Lateral spikes pendant on long stalks. Lateral spikes with female flowers only or with male flowers above female flowers. Terminal 2 or 3 spikes male. Perigynial scales dark brown, longer than perigynia. Perigynia with 5-7 veins on each face and 2 stigmas.
Carex mackenziei	Carex mackenziei
Carex macloviana	Carex macloviana
Carex macrocephala	Carex macrocephala			Leaves 2-5 per stem, blades narrow, tapered to the tips.		Spikes with either male or female flowers. Many flowered spikes grouped in a cylindrical (male) to egg-shaped (female) cluster at stem apex. Perigynia with 3 stigmas and toothed margin
Carex macrochaeta	Carex macrochaeta			Leaves linear, green to 5 mm wide.		3-5 spikes per inflorescence. Lateral spikes on long dangling stalks, with female flowers. Terminal spike male. Perigynia bracts dark brown with long (1-3mm (12)) awn. Perigynia light green, 3 stigmas.
Carex magellanica	Carex magellanica
Carex maritima	Carex maritima
Carex media	Carex media
Carex membranacea	Carex membranacea
Carex mertensii	Carex mertensii			Linear leaves to 8 mm wide.		4-9 spikes per inflorescence. Lateral spikes with female flowers, the terminal spike with male flowers below the female ones. Spikes on long stalks. Perigynia scales brown to black, shorter and narrower than perigynium. Perigynia green or brown, ovate, with 3 stigmas.
Carex microchaeta	Carex microchaeta
Carex microglochin	Carex microglochin
Carex micropoda	Carex micropoda			Leaves linear, involute, to 1.5mm wide.		One spike per stem. Spikes with male flowers above female flowers. Perigynial scales dark brown or black, deciduous. Perigynia ascending when young, spreading or reflexed when mature. 2 or 3 stigmas.
Carex nardina	Carex nardina			Leaves very narrow and wiry, to 0.5mm wide. Leaves with persistant yellow-brown sheaths.		Single androgynous spike with 5-15 perigynia. Inflorescence lacks bracts. Perigynial scales as wide as perigynia. Perigynia serrulate at tips. 2 or 3 stigmas.
Carex nigricans	Carex nigricans			Leaves linear, flat, to 4mm wide.		1 spike per inflorescence. Male flowers above female flowers in spike. No bract subtending spike. Perigynia scales lance-shaped, brown to black, early deciduous. Perigynia erect when young, spreading to reflexed with age. Perigynia with dark brown or black beak. 3 stigmas.
Carex obnupta	Carex obnupta
Carex pachystachya	Carex pachystachya			Leaves linear 1.2-4.2 mm wide		Inflorescence dense and head-like. Spikes gynecandrous or with female flowers only. Perigynial scales shorter and narrower than the perigynia. 2 stigmas
Carex pauciflora	Carex pauciflora			Leaves linear, only 1-3 per clump, lowermost leaves without blades, uppermost with blades to 1.6mm wide.		One spike per stem. Male flowers above female flowers in each spike. Without subtending leafy bract. Perigynial scales deciduous. Perigynia lance-shaped, light green to yellow-brown, erect when young, spreading to reflexed with age. 3 stigmas
Carex phaeocephala	Carex phaeocephala			Leaves linear to 20 cm, tough, edges sometimes rolled		Ascending or erect gynecandrous spikes. Spikes sessile on stem. Perigynial scales gold to brown with lighter midrib. Perigynia ovate, with winged margins, gold to brown, with beaked tip, 2 stigmas.
Carex pluriflora	Carex pluriflora			Leaves gray green, flat or with recurved margins. Leaves to 4mm wide.		Lateral spikes female, on long stalks. Terminal spike male or occasionally with female flowers above male flowers. Perigynia scales black, wider and shorter than perigynia, with short awn. Perigynia green to black, with 3 stigmas
Carex podocarpa	Carex podocarpa
Carex praticola	Carex praticola
Carex preslii	Carex preslii
Carex rossii	Carex rossii
Carex rostrata	Carex rostrata			Leaves glaucous, u-shaped in cross section, strongly papillose at 20X on upper surfaces. Leaves to 4.5 mm wide.		(1)2-3 erect female spikes. Spikes up to 10cm long. Terminal (1)2-4 spikes male, well seperated from the female ones. Perigynal scales usually without awns. Perigynia spreading, with narrow beak. 3 stigmas, style persistant, becoming curved
Carex saxatilis	Carex saxatilis
Carex scirpoidea	Carex scirpoidea			Linear leaves to 2.5mm wide. Lower leaves without blades.		1 spike per stem with either male or female flowers. Perigynial scales brown to purplish, longer than perigynia, often with clear margin with fringe of hairs. Perigynia lance-shaped, hairy, dark purplish. Usually with 3 stigmas.
Carex spectabilis	Carex spectabilis			Leaves 2-5 mm wide, somewhat glaucous		(2) 3-5 (-9) spikes. Lateral spikes female, upper ones erect and lower ones drooping often on long stems. Terminal spike male. Perigynia scales dark with light midvein, sometimes with a short awn. Perigynia with 3 stigmas
Carex stipata	Carex stipata			Leaves linear, to 5-11 mm wide. Leaves sheathed, the fronts cross-corrugated and clear.		Dense heads, all spikes with male flowers above female flowers. Perigynia widest at base, with brown veins, 2 stigmas. Perigynia spreading at maturity.
Carex stylosa	Carex stylosa			Leaves linear, 2-4 mm wide		(2)3-4 (5) spikes per inflorescence. Lateral spikes upright and female. Terminal spike male or occasionally with male and female flowers. Perigynia scales dark brown to black with a lighter midvein. Perigynia spreading with 3 stigmas.
Carex tenuiflora	Carex tenuiflora
Carex utriculata	Carex utriculata			Linear, green, flat or "W" shaped in cross section. Wides leaves to 12mm wide. Leaf sheaths with cross walls that look something like bricks.		2-5 erect, lateral spikes with female flowers. Female spikes well seperated from 2-5 terminal male spikes. Perigynial spikes usually shorter than the perigynia. Perigynia spreading, inflated with 9-15 veins. Apex with beak. 3 persistant stigmas.
Carex viridula	Carex viridula			Leaves to 3mm wide.		1-8 crowded spikes, lowermost may be seperate. Lateral spikes with female flowers only or with male flowers above female flowers (androgynous). Terminal spike with male flowers only or with male flowers above female flowers. Perigynia widely spreading. Perigynia bracts shorter than perigynia. 3 stigmas. Lowest bract at right angle or more from the stem.