GrassBase - The Online World Grass Flora

Descriptions

W.D. Clayton, M. Vorontsova, K.T. Harman & H. Williamson

© Copyright The Board of Trustees, Royal Botanic Gardens, Kew.

Garnotia

HABIT Annual (6/29), or perennial (23/29). Rhizomes absent (30), or elongated (1). Culms erect (10/24), or geniculately ascending (8/24), or decumbent (14/24), or prostrate (5/24), or rambling (1/24); robust (3/12), or of moderate stature (1/12), or slender (7/12), or weak (2/12); 5–61.6–170 cm long; firm (29), or wiry (2); without nodal roots (4/6), or rooting from lower nodes (6/6). Lateral branches lacking (2/2), or sparse (1/2). Leaves differentiated into sheath and blade (28), or without demarcation between sheath and blade (3). Leaf-sheath auricles absent (30), or erect (1). Ligule an eciliate membrane (17), or a ciliolate membrane (16), or a ciliate membrane (2). Leaf-blade base without a false petiole (30), or with a brief petiole-like connection to sheath (1). Leaf-blades filiform (1), or linear (24), or lanceolate (6); membranous (3), or herbaceous (27), or coriaceous (1); stiff (1), or firm (30).

INFLORESCENCE Inflorescence a panicle.

Panicle open (10), or contracted (23).

Spikelets ascending (1/1); solitary (26), or in pairs (7), or in threes (1). Fertile spikelets pedicelled; 2 in the cluster (1/1). Pedicels linear (2/2), or oblong (1/2).

FERTILE SPIKELETS Spikelets comprising 1 fertile florets; without rhachilla extension. Spikelets lanceolate; laterally compressed (29), or subterete (1), or dorsally compressed (1); 2–3.877–7 mm long; falling entire. Spikelet callus glabrous (15/30), or pubescent (16/30), or pilose (5/30), or bearded (2/30); base obtuse (30/30); attached transversely (1/1).

GLUMES Glumes reaching apex of florets (23), or exceeding apex of florets (8); thinner than fertile lemma. Lower glume lanceolate; 0.75–1.006–1.1 length of upper glume; membranous; without keels (1/30), or 1-keeled (29/30); 3 -veined, or 4–5 -veined (1). Lower glume lateral veins without ribs (30), or ribbed (1). Lower glume surface smooth (17), or asperulous (1), or scabrous (13); without pits; glabrous (30), or pilose (2), or hispid (1). Lower glume apex obtuse (1), or acute (16), or acuminate (26), or attenuate (3), or setaceously attenuate (3); muticous (24), or mucronate (6), or awned (17). Upper glume lanceolate; 1–1.058–2 length of adjacent fertile lemma; membranous; without keels (1/30), or 1-keeled (29/30); 3 -veined (30/30), or 4–5 -veined (1/30). Upper glume lateral veins without ribs (30), or ribbed (1). Upper glume surface smooth (19), or scabrous (12); glabrous (30), or pilose (2), or hispid (1). Upper glume apex emarginate (1), or obtuse (1), or acute (19), or acuminate (25), or attenuate (3), or setaceously attenuate (3); muticous (25), or mucronate (6), or awned (15); 1 -awned (15/15).

FLORETS Fertile lemma lanceolate (2), or oblong (29); cartilaginous; without keel; wingless; 3 -veined. Lemma lateral veins obscure (1/1). Lemma surface smooth (30), or scaberulous (1); unwrinkled; without grooves; glabrous, or pubescent (1). Lemma margins flat (1), or involute (30); exposing palea (1), or interlocking with palea keels (30). Lemma apex entire (20), or dentate (11), or lobed (1); 2 -fid (12/12); acute (4/15), or acuminate (12/15); muticous (9), or awned (28); 1 -awned (27/28), or 3 -awned (1/28). Principal lemma awn apical (16/28), or from a sinus (13/28); straight (14/28), or curved (5/28), or flexuous (7/28), or geniculate (12/28); attenuate (26/28), or with thread-like crinkled tip (2/28). Palea 1 length of lemma; cartilaginous; 2 -veined (30/30). Palea keels wingless (2), or winged (29).

FLOWER Lodicules 2 (28/28); fleshy (28/28). Anthers 3 (1/1). Ovary glabrous (1/1).

FRUIT Hilum punctiform (1/1).

DISTRIBUTION Africa (1), or Temperate Asia (6), or Tropical Asia (20), or Australasia (1), or Pacific (11).

Please cite this publication as detailed in How to Cite Version: 27th January 2014.