《中国植物志》|| 阴地蕨科 BOTRYCHIACEAE ||阴地蕨属 Botrychium Sw. ||薄叶阴地蕨 Botrychium daucifolium Wall. ex Hook. & Grev.

16. 薄叶阴地蕨
Botrychium daucifolium Wall. , Hook. et Grev. Ic. Fil. (1829) t. 161; Hook. in Bot. Mag. t. 5340; Milde, Monogr. Botrych. in Verh. Zool. Bot. Ges. XIX (1869) 117-122; Fil Europ. et Atl. (1867) 206; Hook. et Bak. Syn. Fil. (1874) 448; Clarke in Trans. Linn. Soc. II, Bot. I (1880) 587; Bedd. Handb. Ferns Brit. Ind. (1883) 471; Christ, Farnkr. d. Erde (1897) 366; Diels in Engl. u. Prantl, Nat. Pflanzenfam. I, iv (1899) 471; C. Chr. Ind. Fil. (1905) 162——Botrychium subcarnosum Wall., List. (1828) n. 49; Bedd. Ferns S. Ind. (1873) t. 69.
根状茎短粗，直立，有很粗的肉质根。总叶柄高10-12厘米，颇粗大，多汁嫩草质，干后扁平，宽6-7毫米，无毛或稍有稀毛。营养叶全长24-27厘米，柄长9-11厘米，叶片长15-18厘米，宽18-22厘米或更大，五角形，短渐尖头，下部三回羽状；中部二回羽状；羽片5-7对，几互生，下部两对有柄，相距3-4厘米，向上的无柄或合生，基部一对羽片最大，三角形，长10-15厘米，宽约10厘米左右，有长柄（2-3厘米），近渐尖头，二回羽状（有时羽翰上方为一回羽状）；一回小羽片4-5对，互生，下先出，基部下方一片较大，阔披针形，有柄，长8-9厘米，宽2.5厘米，短渐尖头，深羽裂，其余各片同形而较小，或为浅羽裂或几为全缘，末回羽片（或裂片）为长圆形，急尖头，长的1.5厘米，阔约8毫米，基部合生，边缘有三角形的锯齿，尖端向前。第二对羽片起渐小，为阔披针形或长圆形，一回深羽裂，短渐尖头，有柄或无柄，下先出，顶端以下的羽片不分裂，基部合生下延。叶为薄草质，干后呈黑褐色或绿褐色，表面平滑，叶轴上有长毛疏生。叶脉明显。孢子叶自总叶柄中部以上生出，距营养叶基部约9-11厘米，全长20-30厘米，高出营养叶，孢子囊穗长10-14厘米，宽3-5厘米，圆锥状，2-3回羽状，散开，无毛。
产于云南、贵州、广西、广东。喜马拉雅、缅甸、越南、锡兰、苏门答腊都有分布。

《Flora of China》|| Ophioglossaceae || Botrychium ||薄叶阴地蕨 Botrychium daucifolium

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].