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Section Physoglochin: Dichotomous Key
...Group 1 > Section Physoglochin. Section Physoglochin. This section contains exactly one species.
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Section Macrocephalae: Dichotomous Key
...Group 1 > Section Macrocephalae. Section Macrocephalae. This section contains exactly one species.
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Section Divisae: Dichotomous Key
...Group 1 > Section Divisae. Section Divisae. This section contains exactly one species.
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Dioscorea: Dichotomous Key
... 1a. Leaves with 3–5 lobes, with bulbils in the axils, usually opposite in the distal portion of the stem; staminate inflorescences in fascicles of (1–) 3–5 in the axils of leaves; plants tube...
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Chionodoxa: Dichotomous Key
... 1a. Flowers numbering 4–10 per inflorescence, erect to spreading; stems 15–30 cm tall 1b. Flowers numbering 1–3 per inflorescence, erect to ascending; stems 10–20 cm tall ...
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Veratrum: Dichotomous Key
... 1a. Tepals abruptly narrowed to an obvious claw, with 2 basal nectary glands; leaf blades narrow-oblanceolate, 1–7.2 cm wide; filaments introrse 1b. Tepals gradually narrowed to ...
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Tragus: Dichotomous Key
... 1a. Upper glume 7-veined, 3.8–6.6 mm long, with (5–) 6 or 7 longitudinal rows of spine-like projections; panicle branches 2.1–4.8 mm long 1b. Upper glume 5-veined, 1.8–4.3 mm lon...
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Holcus: Dichotomous Key
... 1a. Lower internodes of stem softly villous; awn of upper lemma 1–2 mm long, hooked, scarcely, if at all, exserted from the glumes [Fig. 234]; plants without rhizomes 1b. Lower i...
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Trisetum: Dichotomous Key
... 1a. Inflorescence 3–10 cm tall, dense and spike-like; anthers 0.6–1.4 mm long; leaf blades 1–3 (–4) mm wide 1b. Inflorescence 8–15 cm tall, congested, but not at all spike-like; ...
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Aira: Dichotomous Key
...[Fig. 183]; stems scabrous below the nodes; pedicels mostly shorter than the spikelets 1b. Panicle open, with ascending branches, 1.5–10 cm wide; stems smooth; pedicels mostly 1–2 times l...