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Marattiaceae

觀音座蓮舅科

特徵描述
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特徵描述

作者

DEVOL, CHARLES E. and SHIEH, WANG-CHUENG

型態特徵

Eusporangiate, terrestrial ferns; caudex short, globose, erect; or rhizome fleshy, dorsi-ventral, creeping to suberect; dictyostelic; cortex without sclerenchyma. Fronds pinnately compound, often very large, circinnate when young, base of stipe with 2 large leathery persistent stipules; pulvinus at or near base of stipe and pulvini at bases of rachillae. Sporangia arranged in closely arranged, elongate or circular sori, or synangia. Gametophyte green, lobed, the median region thickened; endophytic fungi present.

Considered as one family with 6 genera, but some prefer to divide it into four distinct families.

參考文獻

Marattia 觀音座蓮舅屬

作者

DEVOL, CHARLES E. and SHIEH, WANG-CHUENG

型態特徵

Caudex globose; fronds bipinnate to tripinnate; veins free. Sori linear, borne along veins; sporangia fused in a double row forming a synangium.

參考文獻

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