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Grewia L.

Pequeños árboles o arbustos, rara vez postrados. Género con unas 320 especies de distribución tropical en África, Asia y Australia. Es posible observar hasta 5 de naturaleza arbustiva en el N de África. Se trata de un género que estuvo incluido tradicionalmente en la familia Tiliaceae.

Andrews, F.W. 1950. The flowering plants of the anglo-egyptian Sudan. Vol. I (Cycadaceae – Tiliaceae). Sudan Government. By T. Buncle & Co. LTD.

Clave de especies

1 Cimas axilares o sub-axilares u opuestas a las hojas 2

1 Cimas paniculadas en los extremos de las ramas, con o sin cimas axilares también 4

2 Hojas más o menos cordadas en la base, casi orbiculares, generalmente tan anchas o casi tan anchas como largas Grewia villosa

2 Hojas redondeadas o, como máximo, subcordadas en la base, ovadas a lanceoladas, generalmente mucho más largas que anchas 3

3 Hojas ampliamente ovadas, agudas en el ápice Grewia tenax

3 Hojas obovadas, redondeadas en el ápice Grewia erythraea

4 Brotes jóvenes, pecíolos y superficie exterior del cáliz densamente cubiertos con tomento piloso estrellado, de color oxidado Grewia ferruginea

4 Sin estos caracteres Grewia tembensis

Actualizado por: A.F. Carrillo.

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