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FOC | Family List | FOC Vol. 2-3 | Rhachidosoraceae

1. Rhachidosorus Ching, Acta Phytotax. Sin. 9: 73. 1964.

轴果蕨属 zhou guo jue shu

Morphological characters and geographic distribution are the same as those of the family.

1 Stipe and rachis red-brown; pinnules asymmetrical.   1 R. mesosorus
+ Upper part of stipe and rachis stramineous; pinnules symmetrical or ?symmetrical   (2)
2 (1) Pinnules and pinnule lobes contiguous or approximate, lobes truncate, entire or shallowly crenate.   2 R. truncatus
+ Pinnules and pinnule lobes (particularly basal ones) apart, lobes orbicular, crenate   (3)
3 (2) Pinnule lobes and secondary pinnules usually oblong, rarely ovate.   3 R. consimilis
+ Pinnule lobes and secondary pinnules ovate   (4)
4 (3) Basal pinnae wider than upper ones, narrowly ovate, relative length to width ca. 2:1, surface of spores with few irregular, broadly flakelike folds.   4 R. blotianus
+ Basal pinnae similar to upper ones, broadly lanceolate, relative length to width ca. 3:1, surface of spores with sparse irregular flakelike and filiform protuberances.   5 R. pulcher

Lower Taxa


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