Foliage Leaves

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Foliage Leaves

Not every character is illustrated

FL-1. Sheath summit extension: 0 = absent; 1 = present on one or both sides.

FL-2. Sheath summit indument: 0 = glabrous; 1 = ciliate; 2 = fimbriate.

FL-3. Sheath: 0 = rounded on the back; 1 = strongly keeled at least near the summit.

FL-4. Outer ligule (contraligule): 0 = present; 1 = absent.

FL-5. Oral setae: 0 = absent; 1 = present wether adnate to the inner ligule or not.

FL-6. Auricle (blade-derived appendage) development: 0 = absent; 1 = present.

FL-7. Auricle size: 0 = auricles more or less equal on both sides of the blade base; 1 = strongly unequal, at least 2 times as large (or long) on one side as on the other side.

FL-8. Auricle indument: 0 = glabrous; 1 = ciliate; 2 = fimbriate.

FL-9. Foliage leaf blade, abaxial marginal green stripe (best seen in living material): 0 = absent; 1 = present.

FL-10. Foliage leaf blade, pseudopetiole absent: 0 = pseudopetiole distinct (leaf blade base constricted); 1 = pseudopetiole absent (leaf blade not constricted).

FL-11. Foliage leaf blade/pseudopetiole position: 0 = pseudopetiole (if present) and blade upwardly directed, blade fully erect or arching over; 1 = pseudopetiole (and therefore the blade) reflexed.

FL-12. Midrib placement: 0 = centric; 1 = excentric (wider side of blade 1.3 times or more as wide as the narrower side).

FL-13. Midrib development (abaxial surface): 0 = visible (distinct) for the full length (or nearly so) of the blade; 1 = visible (distinct) only in the basal one-third or so if the blade; 2 = not distinguishable from the primary veins in the leaf blade.

Life Span and Rhizomes
Culms
Buds and Branching
Culm Leaves
Foliage Leaves
Synflorescences
Spikelets
Flowers and Fruits
Leaf Anatomy
Leaf Micromorphology