Ephedra L.
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publication ID |
https://doi.org/10.5281/zenodo.302862 |
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persistent identifier |
https://treatment.plazi.org/id/1213417E-FFA9-FFAB-CC1E-FB4F4D7CC08B |
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treatment provided by |
Plazi |
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scientific name |
Ephedra L. |
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1. Ephedra L. View in CoL 2
Twigs green. Male flower with free perianth-segments and a few 2- to 3-celled microsporangia, opening by apical, horizontal slits. Female flowers with connate perianth-segments; ovule orthotropous, with integument prolonged into a slender tube.
Literature: O. Stapf, Denkschr. Akad. Wiss. Math.-Nat. Kl. (Wien) 56 (2): 1 -112 (1889). F. Widder, Phyton (Austria) 1: 71-5 (1948).
1 Twigs flexible; fruit 8-9 mm; seed almost completely concealed by bracts 1. fragilis 1 Twigs rigid; fruit 5-7 mm; upper part of seed emerging from bracts
2 Leavesgreenonback; maleinflorescenceovoid-oblong, with 4-8 pairs of flowers; female inflorescence 2-flowered
2. distachya 2 Leavesalmostcompletelymembranous;maleinflorescence globose, with 2-4 pairs of flowers; female inflorescence
1 -flowered 3. major
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