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1. Oleandra Cavanilles, Anales Hist. Nat. 1: 115. 1799.
条蕨属 tiao jue shu
Neuronia D. Don.
Morphological characters and geographic distribution are the same as those of the family.
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1 |
Rhizome with stiff, erect or suberect lateral branches, bearing spreading whorls of 5-10 fronds, forming thickets. |
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1 O. neriiformis |
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Rhizome creeping; fronds erect, scattered or in small clusters of 3-5 |
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(2) |
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2 (1) |
Rhizome not entirely covered with scales; scales with recurved apex; stipes dark brown. |
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2 O. wallichii |
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Rhizome entirely covered with overlapping scales; stipes stramineous |
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(3) |
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3 (2) |
Rhizome scales spreading, narrowly triangular with a relatively wide apex, brown, central part of acumen not thickened; roots branching and with root hairs along their entire length; lamina glabrous on adaxial surface and margin. |
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3 O. undulata |
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Rhizome scales appressed to spreading, narrowly ovate-lanceolate with long narrow acumen with thickened central part; roots usually with glabrous, unbranched part ("rhizophore"); lamina hairy or glabrous |
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(4) |
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4 (3) |
Phyllopodia very short, 1-2(-5) mm, mostly immersed in scales. |
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4 O. musifolia |
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Phyllopodia 2-6 cm. |
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5 O. cumingii |
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Lower Taxa
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Treatments in Other Floras @ www.efloras.org
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