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 (6/28), or perennial (22/28). Rhizomes absent (29), or elongated (1). Culms erect (10/23), or geniculately ascending (8/23), or decumbent (13/23), or prostrate (5/23), or rambling (1/23); robust (3/11), or of moderate stature (1/11), or slender (6/11), or weak (2/11); 5–62.16–170 cm long; firm (28), or wiry (2); without nodal roots (4/5), or rooting from lower nodes (5/5). Lateral branches lacking (2/2), or sparse (1/2). Leaves differentiated into sheath and blade (27), or without demarcation between sheath and blade (3). Leaf-sheath auricles absent (29), or erect (1). Ligule an eciliate membrane (16), or a ciliolate membrane (16), or a ciliate membrane (2). Leaf-blade base without a false petiole (29), or with a brief petiole-like connection to sheath (1). Leaf-blades filiform (1), or linear (24), or lanceolate (5); membranous (3), or herbaceous (26), or coriaceous (1); stiff (1), or firm (29).

INFLORESCENCE Inflorescence a panicle.

Panicle open (10), or contracted (22).

Spikelets ascending (1/1); solitary (25), 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 (28), or subterete (1), or dorsally compressed (1); 2–3.898–7 mm long; falling entire. Spikelet callus glabrous (14/29), or pubescent (15/29), or pilose (5/29), or bearded (2/29); base obtuse (29/29); attached transversely (1/1).

GLUMES Glumes reaching apex of florets (22), 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 (1/29), or 1-keeled (28/29); 3 -veined, or 4–5 -veined (1). Lower glume lateral veins without ribs (29), or ribbed (1). Lower glume surface smooth (17), or asperulous (1), or scabrous (12); without pits; glabrous (29), or pilose (2), or hispid (1). Lower glume apex obtuse (1), or acute (16), or acuminate (25), or attenuate (3), or setaceously attenuate (3); muticous (23), or mucronate (5), or awned (17). Upper glume lanceolate; 1–1.06–2 length of adjacent fertile lemma; membranous; without keels (1/29), or 1-keeled (28/29); 3 -veined (29/29), or 4–5 -veined (1/29). Upper glume lateral veins without ribs (29), or ribbed (1). Upper glume surface smooth (19), or scabrous (11); glabrous (29), or pilose (2), or hispid (1). Upper glume apex emarginate (1), or obtuse (1), or acute (19), or acuminate (24), or attenuate (3), or setaceously attenuate (3); muticous (24), or mucronate (5), or awned (15); 1 -awned (15/15).

FLORETS Fertile lemma lanceolate (2), or oblong (28); cartilaginous; without keel; wingless; 3 -veined. Lemma lateral veins obscure (1/1). Lemma surface smooth (29), or scaberulous (1); unwrinkled; without grooves; glabrous, or pubescent (1). Lemma margins flat (1), or involute (29); exposing palea (1), or interlocking with palea keels (29). Lemma apex entire (19), or dentate (11), or lobed (1); 2 -fid (12/12); acute (4/14), or acuminate (11/14); muticous (9), or awned (27); 1 -awned (26/27), or 3 -awned (1/27). Principal lemma awn apical (15/27), or from a sinus (13/27); straight (13/27), or curved (5/27), or flexuous (7/27), or geniculate (12/27); attenuate (26/27), or with thread-like crinkled tip (1/27). Palea 1 length of lemma; cartilaginous; 2 -veined (29/29). Palea keels wingless (2), or winged (28).

FLOWER Lodicules 2 (27/27); fleshy (27/27). Anthers 3 (1/1). Ovary glabrous (1/1).

FRUIT Hilum punctiform (1/1).

DISTRIBUTION Africa (1), or Temperate Asia (6), or Tropical Asia (19), or Australasia (1), or Pacific (11).

Please cite this publication as detailed in How to Cite Version: 3rd February 2016.