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Leonticaceae
S.M.H. JAFRI
Herbarium, Department of Botany, University of Karachi, Karachi.
Fleshy or subfleshy perennial herbs, usually with tuberous rhizomes. Leaves ternate or pinnate, glabrous, glaucous, petiolate. Inflorescence simple or branched racemes, terminal or axillary. Flowers regular, hermaphrodite. Sepals 3-6 (-9), often caducous and petaloid. Petals 6, longer than sepals or much reduced, nectariform, or scale-like, flat or convolute, rarely absent. Stamens 6; anthers much shorter than filaments, dehiscing by 2 valves, not exserted. Ovary monocarpellary, 1-locular with 2-8 erect basal ovules; style short or inconspicuous with a small or plicate-dilated stigma. Pedicel often elongated, somewhat thickened in fruit. Capsule inflated, somewhat membranous or scarious, indehiscent, irregularly gaping above, or the walls evanescent exposing the large seeds; seeds often blackish with copious endosperm and small embryo.
A small family of 3 genera and about a dozen species chiefly in S.E. Europe and Asia; only 2 genera with 1 species each, occur in W. Pakistan. A segregate from Podophyllaceae from which it differs primarily by its tuberous rhizomes, ternate or pinnate leaves, inflated membranous or scarious fruits and basal placentation.
Acknowledgement: We are grateful to the United States Department of Agriculture for financing this research under P.L. 480.
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1 |
Stem leaves present, biternatisect. Petals much
Smaller than sepals, convolute. Capsule indehiscent
but gaping or eroding above exposing the seeds |
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Leontice |
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Stem leaves absent; radical leaves imparipinnate. petals longer than sepals, flat. Capsule dehiscent
by evanescent walls |
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Bongardia |
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Lower Taxa
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