Datiscaceae


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Datiscaceae

 

a family of dicotyledonous plants.

The flowers of Datiscaceae are small, regular, unisexual or bisexual, apetalous or petaled, and racemiform, with an interior gynaecium and capsular fruit. There are three genera, comprising four or five species. The genera Octomeles (with one or two species) and Tetrameles (one species) are sometimes isolated as constituting the family Tetramelaceae. The genus Datisca is represented by two species of perennial herbs. D. cannabina grows wild from the western Mediterranean to the Himalayas; in the USSR it is found in Transcaucasia and Middle Asia. In Eastern countries it is regarded as a medicinal plant and the young shoots are used as food. A yellow dye is obtained from the plant.

REFERENCES

Gorshkova, S. G. “Datiskovye.” In Flora SSSR. vol. 15. Moscow-Leningrad, 1949.
Hutchinson, J. The Genera of Flowering Plants, vol. 2. Oxford, 1967.
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Araliaceae, Balsaminaceae, Boraginaceae, Buxaceae, Cuscutaceae, Datiscaceae, Elaeagnaceae, Gentianaceae, Loranthaceae, Malvaceae, Moraceae, Oleaceae, Phytolaccaceae, Rubiaceae, Salicaceae, Saxifragaceae, Smilacaceae, Solanaceae, Ulmaceae, Urticaceae, Valerianaceae, and Violaceae are represented by one species.
Comparative floral structure and systematics in Cucurbitales (Corynocarpaceae, Coriariaeeae, Datiscaceae, Tetraruelaeeae, Begoniaceae, Cucurbitaceae, Anisophyileaceae).
cuspidata 67 Rhynchospora aurea 68 Scleria ciliaris 69 Scleria purpurescens 70 Scleria sumatrensis 71 Tetraria borneensis 72 Thoracostachyum bancanum 73 Datiscaceae Octomele sumatrana 74 Dilleniaceae Dillenia beccariana 75 Dillenia excelsa 76 Dillenia sp.
Androdioecy is derived from dioecy in Datiscaceae: Evidence from restriction site mapping of PCR-amplified chloroplast DNA fragments.
In general, the assumption has been that evolution of breeding systems away from dioecy is extremely difficult, and very few cases of this have been documented [e.g., androdioecy from dioecy in Datisca (Datiscaceae), Rieseberg et al.
However, some wind-pollinated species in the Datiscaceae and Podostemaceae have anomalously high ovule numbers, in the hundreds per flower (C.
Comparative floral structure and systematics in Cucurbitales (Corynocarpaceae, Coriariaceae, Tetramelaceae, Datiscaceae. Begoniaceae, Cucurbitaceae, Anisophylleaceae).
1829 (Datiscarieae).--Type: Datisca L.; Datiscaceae Bercht.
The position of Anisophylleaceae within the Cucurbitales is unresolved; based on rbcL sequence data the family is sister to Datiscaceae, which in turn is sister to the Begoniaceae (Savolainen et al., 2000b).