Flower orientation in Pachycereus weberi (Cactaceae): Effects on ovule production, seed production and seed weight

Journal of Arid Environments - Tập 75 - Trang 1214-1217 - 2011
D.M. Figueroa-Castro1, P.L. Valverde1
1Departamento de Biología, Universidad Autónoma Metropolitana-Iztapalapa, Apartado Postal 55-535, 09340 México D.F, Mexico

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