Tropicos | Name - Dactylis glomerata L.

Dactylis glomerata L.

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Project Name Data (Last Modified On 6/2/2011)

Acceptance : Accepted

Project Data (Last Modified On 6/3/2011)

Flower/Fruit: Fl. & Fr. Per.: July-August.

Type: Type: Europe (LINN).

Distribution: Distribution: Pakistan (Punjab, N.W.F.P., Gilgit & Kashmir); temperate Europe and Asia; introduced into most temperate countries.

Comment/Acknowledgements: An excellent fodder grass. 1700-4000 m.

Cock’s-foot, Cockspur, Barnyard or Orchard Grass is a very variable species which, owing to its agricultural importance has been studied intensively in some parts of its range. It includes diploids (2n = 14) and tetraploids (2n = 28) which can usually be distinguished from one another by the size of their stomata and pollen-grains. In other characters there appears to be parallel variation; Many of the variants have been given specific or subspecific rank (see Domin in Acta bot. bohem. 14:3-147. 1943), but most of them do not seem to be clearly distinguish-able except by chromosome number, average characteristics of populations and behaviour in cultivation. No attempt has been made to resolve the infraspecific taxa in Pakistan and Kashmir, but the following intergrading subspecies have been distinguished:

Illustration:

Map Location: A-6 Chitral dist.: Owir, SE of Tirich Mir, 8000', J.D.A. Stainton 2766 (RAW); A-8 Gilgit Agency: above Naltar, 10-11000', R.R. Stewart 26634 (K, RAW); B-6 Chitral dist.: Brimbret, 5000', M. A. Siddiqi & A. Rahman Beg 26736 (K, RAW); Bombrait Valley, M. Qaiser & A. Ghafoor 6730 (KUH); Dir dist.: Guger, M. A. Siddiqi 1 (K); B-7 Kashmir: Keran nullah, 6000', R.R. & I. D. Stewart 17546 (KUH); Chitral dist.: Madakhlasht, 9700, S. M. Toppin 581 (K); Hazara dist.: Siran Valley , M. Inayat Khan 20312 (K, KUH); Naran, Sh. Ali 220 (K, RAW); Swat dist.: beyond Ushu, 10000', R.R. Stewart & A. Rahman Beg 25361 (K, RAW); B-8 Kashmir: Sonamarg, 12000', R. R. Stewart 9788 (K); below Burzil: Chowki, 10000', August 1939, R.R. & I.D. Stewart s.n. (RAW); Baltistan: Chirka Kalti, 5 miles from Shigar, A. Ghafoor & Z.L. Butt 665 (KUH); Gilgit Agency. 6 miles from Babusar on way to Gilgit, Sultanul Abedin & M. Qaiser 9146 (KUH); C-7 Rawalpindi dist.: Murree, 6500', R.R. Stewart 23450 (K); ibid., 7500', E.W. Trotter 49 (KUH); ibid., E.W. Trotter 20 (RAW); C-8 Kashmir: Kishtwar, Trilo¬knath up to the Kali Pass, Schlagintweit 3872 (K).