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Geraniaceae

Geraniaceae Adans., Fam. Pl. 2:384 (1763), nom. cons. Hypseocharitaceae Wedd. (1861).

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Part of the The Families and Genera of Vascular Plants book series (FAMILIES GENERA,volume 9)

Abstract

Herbs, sometimes shrublets or shrubs, occasionally with succulent stems, sometimes geophytic. Leaves alternate or opposite, mostly palmately or pinnately lobed or compound, lobes deeply serrate or lobulate; stipules present or (Hypseocharis) absent. Inflorescences pseudoumbellate, or flowers solitary. Flowers perfect, actinomorphic or zygomorphic, pentamerous; sepals free or united at base, imbricate with valvate tips, persistent; petals 5 (4, 2 or 0), free, imbricate; stamens 5 or 10 and 15, then in two whorls, sometimes a few sterile, filaments free or more or less connate at base; gynoecium of 5(4) carpels; style with 5 stigmatic branches (unbranched with capitate stigma in Hypseocharis); ovary 5-lobed, with 1-2(-12)pendulous, anatropous ovules in each locule; placentation axile. Fruits schizocarps with five 1-seeded awned mericarps which separate elastically from a central beak (rostrum), or (Hypseocharis) with five 1-few-seeded mericarps not connected by a central column or loculicidal capsules; seeds with a more or less curved embryo with green cotyledons or (Hypseocharis) with a cochlear embryo with spirally folded cotyledons; endosperm absent or scanty.

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Albers, F., Van der Walt, J.J.A. (2007). Geraniaceae. In: Kubitzki, K. (eds) Flowering Plants · Eudicots. The Families and Genera of Vascular Plants, vol 9. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-540-32219-1_19

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