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FOC | Family List | FOC Vol. 2-3 | Ophioglossaceae | Ophioglossum

1. Ophioglossum pendulum Linnaeus, Sp. Pl. 2: 1518. 1763.

带状瓶尔小草 dai zhuang ping er xiao cao

Ophioderma pendula (Linnaeus) C. Presl; O. pendula f. ramosa Nakai.

Fronds 1-3 or more. Sterile lamina sessile, pendulous and ribbonlike, usually lanceolate, sometimes dichotomously divided, up to 30-50(-100) × 1-3 cm; veins reticulate, without distinct midrib, forming diagonal and hexagonal areoles; veinlets ± visible. Sporophore arising from near base or middle part of sterile lamina and never longer than sterile lamina, pendent; stalk to 7 cm, spike 5-30 cm; sporangia 40-200 on each side. Spores colorless or light yellow, quadrangular, surface foveolate. 2n = 740-960.

On tree trunks in tropical rain forests. Hainan, Taiwan, Yunnan [India, Indonesia, Japan, Korea, Malaysia, Philippines, Sri Lanka; W Africa, Australia, Pacific islands (Hawaiian Islands)].

Ophioglossum pendulum is sometimes placed in a separate genus, Ophioderma.


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