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

8. Botrychium daucifolium Wallich ex Hooker & Greville, Icon. Filic. 2: t. 161. 1830.

薄叶阴地蕨 bao ye yin di jue

Sceptridium daucifolium (Wallich ex Hooker & Greville) Lyon; Botrychium officinale Ching; B. subcarnosum Wallich ex Beddome; S. officinale (Ching) Ching & H. S. Kung.

Rhizomes erect, shortly cylindrical, bearing many fleshy roots. Frond 30-40 cm tall with stalk 10-12 cm. Sterile lamina: stalk 7-8 cm, glabrous; lamina bipinnate to tripinnatifid, subpentagonal, 15-20 × 16-24 cm, herbaceous; pinnae 6 or 7 pairs, alternate, shortly stalked; basal pinnae largest, triangular, 12-14 × 6-10 cm, bipinnatifid; pinnules 4 or 5 pairs, narrowly ovate to broadly lanceolate, lower basal pinnule largest, up to 8 × 3 cm, pinnatifid, ultimate segments sharply serrate, apex acute or acuminate; veins obvious, rachis and costae with sparse, white, long hairs. Sporophore arising from above middle of common stipe, as long as sterile lamina, with stalk 14-16 cm, bi-tripinnate, 10-12 cm, with long soft hairs. Spore surface with dense papillae often forming reticulate pattern with minute granules. 2n = 180.

Forests, shaded wet places. Chongqing, Guangdong, Guangxi, Guizhou, Hainan, Hunan, Jiangxi, Sichuan, ?Taiwan, Yunnan, Zhejiang [Bhutan, NE and S India, Indonesia (Sumatra), Myanmar, Nepal, Philippines, Sri Lanka, Vietnam].


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