Vegetative key to the families

Vegetative Key Vegetative key to the families

GRASSES. Herbs. Leaf bases modified to form an open sheath which encloses the stem; leaf blade with parallel venation and abruptly distinct from the sheath; LIGULE usually present at the top of the sheath (Fig 24) Poaceae

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Spikelets bisexual (rarely unisexual, and if so, the spikelets similar and in the same inflorescence)

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Spikelets not as in Group 13

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Inflorescence branched (Fig. 47k)

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Silky hairs longer than the lemmas, attached to the pedicel or the rhachilla or the backs of the lemmas around the bisexual or female florets

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Hairs around the florets much shorter than the lemmas or absent