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Dictyocline sagittifolia

Description from Flora of China

Stegnogramma sagittifolia (Ching) L. J. He & X. C. Zhang.

Plants 30-40 cm tall. Rhizomes short and ascending, with sparse linear-lanceolate scales; scales ciliate along margins. Fronds clustered; stipes 15-30 cm, with dense brown short setae; laminae hastate, ca. 17 × 11-13 cm, deeply cordate at bases, entire or sometimes undulate, shortly acuminate at apices; costae raised on both sides, lateral veins distinct, obliquely spreading, with 5-7 distinct transverse veins between lateral veins divided into large rectangular areoles and divided again into ca. 2 × 4 subtetragonal smaller areoles, with simple or forked included veinlets in smallest areoles. Laminae papery when dry, dark brown, adaxially with dense short pubescence along costae and appressed short hairs on intercostal areas, abaxial surface with dense short pubescence along costae and veinlets, sparsely pubescent along reticulate veinlets. Sori scattered and attached along reticulate veinlets.

● Evergreen forests, rock crevices; 400-700 m. Guangdong, Guangxi, Hunan, Jiangxi.


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