| Aceraceae Juss. in Pakistan The maple family (Aceraceae) and Sapindaceae recently been added to same Sapindaceae family. General/Distribution: A bigeneric family of temperate North America, N.W. Africa, Europe, Asia and Indonesia. Acer is found in Pakistan. The other genus, Dipteronia, is endemic to central China.Description of Aceraceae Trees or shrubs, usually deciduous, rarely evergreen. Leaves simple or compound, opposite, palmately lobed or unlobed-penninerved; petiole bases meeting but not perfoliate, usually exstipulate. Inflorescence corymbose, fasciculate or racemose, lateral or terminal on leafy or leafless shoots. Flowers actinomorphic, perfect or unisexual, rarely dioecious. Sepals and petals 4-5, rarely absent. Stamens 4, 6, 8, 10 or 12, inserted inside or outside the disc. Ovary bicarpellate, transversely compressed, bilocular, each locule biovulate; stigma usually bifurcate, rarely absent. Fruit a geminate samara; mericarps indehiscent. Floral Diagram  |
Tired of checking for new posts ?
No comments:
Post a Comment