Schleinitzia

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Schleinitzia

Description

Unarmed trees or shrubs. Leaves bipinnate, sensitive to the touch; Stipules not spinescent, filiform, persistent. Inflorescences consisting of pedunculate glomerules aggregated into axillary clusters of 1-5 in the distal leaf-axils; Flowers usually pentamerous, uniform, bisexual or male by abortion. Petals 5(-7), free. Stamens (8-) 10, free, or filaments loosely coherent at the base; Seeds brown, biconvex, with areole, wingless, aril absent, endosperm present.

Distribution

Asia-Tropical: Guam: present Micronesia: present New Hebrides: present Pacific area: present Tahiti: present
In total 4 species, in the Pacific area 1 species in Micronesia (Guam) and 1 from the New Hebrides to Tahiti; in Malesia: 2 species.

Taxonomy

The taxonomic relationships of this genus were discussed by Verdcourt (1977) and Nevling & Niezgoda (l.c.). It is closely related to Leucaena, but differs by its glandular anthers and the seeds held transversely in the pods (with its peculiar mode of dehiscence). The pollen is different from Leucaena too, being arranged in tetrahedral tetrads, with individual tricolporate or porate grains, the apertures arranged in an interradial position, exine rugulate or granular.
For further notes on the history of Schleinitzia, see Guinet (l.c.), Nevling & Niezgoda (1978), and Verdcourt (1977).

Citation

Nevling & Niezgoda - in Adansonia. 1978: 356
Lewis & Elias - in Polhill & Raven, Adv. Leg. Syst. 1. 1981: 167
Verdc., Manual New Guin. Legum. 1979: 158
Verdc. - in Kew Bull. 1977: 231