Deschampsia

Belongs within: Pooideae.

Deschampsia is a genus of grasses found in cold and temperate regions of the world. Deschampsia antarctica is one of the few flowering plants found on the Antarctic continent. Deschampsia danthonioides is an annual species found in the Americas (Hickman 1993).

Characters (Hickman 1993): Annual or perennial. Stems erect, solitary to densely clumped. Leaves basal to cauline; ligule narrow, decurrent to sheath, glabrous to minutely hairy; blades flat to inrolled. Inflorescence panicle- to spike-like, open to narrow. Spikelet with glumes and lemmas shiny; glumes equal to more or less subequal, longer than lower floret; axis prolonged beyond upper floret, bristly (sometimes with vestigial floret at tip); florets 1–3, bisexual, breaking above glumes and between florets; callus soft-hairy; lemmas rounded, 2–4-toothed at truncate tip, faintly 3–7-veined, awned at or below middle, awn straight to bent; palea more or less equal to lemma.

<==Deschampsia
    |--D. aciphyllaD03
    |--D. andina Phil. 1873 [=Deyeuxia andina]S06
    |--D. antarcticaVVZ11 [=Catabrosa antarcticaC06, Triodia antarctica Benth. 1881C06]
    |--D. atropurpureaH93
    |--D. cespitosaH93 [=Aira caespitosaC06; incl. Aira australisC06, Agrostis aucklandicaC06, Aira kingiiC06]
    |    |--D. c. ssp. cespitosa [incl. D. cespitosa ssp. beringensis]H93
    |    `--D. c. ssp. holciformisH93
    |--D. chapmani Petrie 1891C06
    |--D. danthonioidesH93
    |--D. elongataH93
    |--D. flexuosaD03
    |--D. gracillima Kirk 1891C06
    |--D. kingiiD03
    |--D. klossiiC78
    |--D. novae-zealandiae Petrie 1891 [incl. D. hookeri Kirk 1891]C06
    |--D. penicillata Kirk 1895C06
    |--D. pusilla Petrie 1891C06
    `--D. tenella Petrie 1891C06

*Type species of generic name indicated

References

[C06] Cheeseman, T. F. 1906. Manual of the New Zealand Flora. John Mackay, Government Printer: Wellington.

[C78] Clunie, N. M. U. 1978. The vegetation. In: Womersley, J. S. (ed.) Handbooks of the Flora of Papua New Guinea vol. 1 pp. 1–11. Melbourne University Press: Carlton South (Australia).

[D03] Dusén, P. 1903. The vegetation of western Patagonia. In: Scott, W. B. (ed.) Reports of the Princeton University Expeditions to Patagonia, 1896–1899 vol. 8. Botany pp. 1–34. The University: Princeton (New Jersey).

[H93] Hickman, J. C. (ed.) 1993. The Jepson Manual: Higher Plants of California. University of California Press: Berkeley (California).

[S06] Stuckert, T. 1906. Segunda contribución al conocimiento de las gramináceas Argentinas. Anales del Museo Nacional de Buenos Aires, serie 3, 6: 409–555.

[VVZ11] Van de Vijver, B., R. Zidarova, M. Sterken, E. Verleyen, M. de Haan, W. Vyverman, F. Hinz & K. Sabbe. 2011. Revision of the genus Navicula s.s. (Bacillariophyceae) in inland waters of the sub-Antarctic and Antarctic with the description of five new species. Phycologia 50 (3): 281–297.