Cyperus distans L.f., Suppl. Pl. 103 1782. (syn: Cyperus densiflorus Hemsl. [Illegitimate]; Cyperus distans f. capillarioides Kük. ........; Cyperus elatus Rottb. [Illegitimate]; Cyperus graminicolus Steud.; Cyperus kurrii Steud.; Cyperus laxus Vahl [Illegitimate]; Cyperus graminicolus Steud.; Cyperus kurrii Steud.; Cyperus laxus Vahl [Illegitimate]; Cyperus nutans Sieber ex C.Presl [Illegitimate]; Cyperus psilostachys Steud.; Cyperus purpureovaginatus Boeckeler; Cyperus schraderianus Mart. ex Steud.; Cyperus squamulatus Steud.);
The key in Bengal Plants :- i) mature spikelets patent; glumes obtuse --------- distans ii) mature spikelets collapsing, tufted; glumes often minutely mucronate ------ nutans Erect, rhizomatous perennials; rhizome short, knotty; culms solitary or few together, 27-80 cm tall, triquetrous, thickened at base. Leaves few, basal, 8-51 x 0.4-0.7 cm, linear, apex acuminate, scabrid on margins; sheaths 6-15 cm long, purple-brown. Inflorescence compound to decompound; leafy bracts 4-6, the lowest upto 42 cm long; rays 5-12, very unequal. Spike loose, broadly ovate-pyramidal, distantly bearing 8 to 20 spikelets. Spikelets 0.8-2.2 x 0.1 cm, linear, subterete; rachilla flexuous, winged. Glumes distantly disposed on weakly zig-zag rachilla, 1.5 - 2 x 1 mm, ovate-oblong, obtuse, margins white-hyaline. Stamens 3; anthers oblong. Stigmas 3. Nut c. 1.5 x 0.5 mm, oblong, trigonous, apiculate, dark brown, minutely puncticulate. Flowering and fruiting: October-November Along banks of streams, also in wastelands and roadsides Pantropical (From India Biodiversity Portal ) Cyperus distans is a PERENNIAL growing to 0.5 m (1ft 8in). It is in flower from Aug to September, and the seeds ripen from Aug to September. The flowers are hermaphrodite (have both male and female organs The juice of the root is used in the treatment of fevers[272]. The leaves are used for weaving hats, matting etc[178]. (From PFAF ) Cyperus distans is pantropical and subtropical in distribution. In India it is found in Andamans, Andhra Pradesh, Assam, Jammu Kashmir, Madhya Padesh, Maharasthra, Karnataka, Kerala, Tamil Nadu, Megalaya, Manipur, Punjab, Sikkim, Uttar Pradesh and West Bengal. It is found growing in wet places, edge of pools, ditches and streams, in rice fields and in wet grasslands. It is found growing in mats as floating vegetation in shallow waters. It grows as a weed on roadside and cultivated lands, from the plains to 2600 m. Hooghly Today : Cyperus sp. 02-06-2013 : Attachments (13 + 11). 6 posts by 2 authors. This is about 2ft. or a bit tall cyperus, found on roadside. I didn't have any scale with me. I think this cyperus, found yesterday, just above the waterline of a pond, is the same species as in my earlier upload in this thread. This time i have stats. Culm height : 70 cm; triquetrous, each side 4mm wide, smooth angle, smooth surface Leaves : about same length Ray (?) : 15 cm avg, Raylet (?) : 6 cm Can it be Cyperus distans L. f. ? The following pictures (links) are what i think of C. distans L.f. - Cyperus sp. collected from Kamrup district, Assam. : Attachments (5). 6 posts by 4 authors. Attached images are Cyperus sp. collected from Kamrup district, Assam. Please ID the plant. Date :11.06.2013 Location: Kamrup district Family :Cyperaceae Genus & species : Cyperus sp. Habitat: Grows wild on waste places Habit : Herb Two closely looking Cyperus are 1) C. distans L. f. 2) C. nutans Vahl The key in Bengal Plants :- i) mature spikelets patent; glumes obtuse --------- distans ii) mature spikelets collapsing, tufted; glumes often minutely mucronate ------ nutans FBI. vi. 608. notes "... it is difficult to draw a line between this species (C. nutans) and fine examples of C. distans" For its patent spikelets i think this species is C. distans L. With its laxly distichous red spikelets this is C. distans L.f.
Hooghly Today : Cyperus nutans Vahl ? : Attachments (15). 5 posts by 2 authors. This cyperus is growing on a railway-platform, as you can see in the 1st pic. The middle one (2 or 3 in a bundle) with immature spikes and the left one (2 or 3 in a bundle) with mature spikes. Each plant is with a culm of about 1.5 ft.. compressed 3 angled, about 6 mm wide. Leaves are longer that culm and involucre about same size of culm. The difference between C. distans & C. nutans in FoC - http://www.efloras.org/florataxon.aspx?flora_id=2&taxon_id=109010#KEY-1-54 In FBI -
The species in this thread and in https://groups.google.com/forum/?fromgroups#!topic/indiantreepix/eG37Ooa3Xxo can be same, or vice versa.
Habit: Shrub Habitat: Wild Location: Dhaka City Looks like Cyperus distans L.f. Grass ID from Bangladesh SM110 : 8 posts by 4 authors. Attachments (2). Habit: Herb Flowering: June Habitat: Wild Location: Dhaka Cyperus odoratus Belongs to Cyperus (cyperaceae); may be C. diffuses It is Cyparaceae member. Probably Genus Cyperus Looks like Cyperus distans L.f. It is Cyprus distans
Grass ID from Bangladesh SM135 : 4 posts by 3 authors. Attachments (2). Habit: Herb Habitat: Wild Location: Dhaka City Cyperus sp. Looks like Cyperus distans L.f.
Location : Aizawl (MZU) Altitde : ca 820 m. Date : 09-11-2017 Habit : Herb with triangular stem Habit : Growing wild along roadsides. Pl. check with images at Cyperus distans L.f. It is Cyperus distans L.f. |
# Species- Seed plants (families) > A---L (families & genera) > Cl > Cyperaceae > Cyperus >
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