Botrychium daucifolium

Sceptridium daucifolium (Wall. ex Hook. & Grev.) Lyon, Bot. Gaz. 40(6): 457 1905. (syn: Botrychium daucifolium (Wall.) Hook. & Grev.; Botrychium officinale Ching; Botrychium parvifolium var. parvum Alderw.; Botrychium subcarnosum Wall.; Sceptridium daucifolium (Wall. ex Hook. & Grev.) Y.X.Lin; Sceptridium daucifolium var. intermedium Sahashi; Sceptridium daucifolium var. kanaii Sahashi; Sceptridium officinale (Ching) Ching & H.S.Kung);
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Tropical & Subtropical Asia to SW. Pacific: Assam, Borneo, China South-Central, China Southeast, East Himalaya, Fiji, Hainan, India, Japan, Jawa, Lesser Sunda Is., Malaya, Maluku, Myanmar, Nansei-shoto, Nepal, Philippines, Samoa, Sri Lanka, Sulawesi, Sumatera, Vietnam as per POWO (Botrychium daucifolium Wall. ex Hook. & Grev.);

China (Chongqing, Guangdong, Guangxi, Guizhou, Hainan, Hunan, Jiangxi, Sichuan, ?Yunnan, Zhejiang), Japan, Ryukyu Isl., India (Andhra Pradesh, Arunachal Pradesh, Assam State, Chhattisgarh, Karnataka, Kerala, Madhya Pradesh, Manipur, Meghalaya, Odisha, Sikkim, Tamil Nadu, West Bengal), Philippines, Sri Lanka, peninsular Malaysia (Gunung Jasah, Cameron Highlands, Pahang), Borneo (Mt. Kinabalu, etc.), Myanmar [Burma], Java, Bhutan, Sumatra, Nepal, Vietnam, Moluccas (Seram), Lesser Sunda Isl. (Bali, Flores), Sulawesi, Fiji (Viti Levu), Western Samoa (Savaii, Upolu) as per Catalogue of Life;

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Terrestrial herb with erect, subterranean, fleshy, forked rhizome 4-8 x 2-3 cm. Stem 20-25 x 0.8 cm, forked. Fronds dissimilar. Sterile fronds 25-30- x 30-35 cm, blades ternate with 4-6 cm long petiole; basal pinnae 15-16 x 15-17 cm, triangular ovate, acuminate in outline, with 2-3 cm long stalk; terminal pinna 22 x 22 cm, including 4 cm long stalk, obconical in outline, pinnules 1.5-4.5 x 1-1.5 cm, oblong to oblong-lanceolate, crenate, obtuse, veins forked once or twice. Fertile segment 25-30 cm including 15-18 cm long stalk, arising from 4-6 cm below the branching of the sterile blade; spike 10-12 cm long, ultimate segments with two rows of sporangia, dark pinkish brown, dehisced by median slit reaching the base. Spores 30 x 25 µm, pale yellow, trilete, granulose.
Evergreen and shola forests.
(Attributions- K. P. Rajesh as per India Biodiversity Portal)
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Botrychium FernSN18420b : 2 posts by 2 authors. Attachments (1)- 4 mb.

Wild fern from Western Ghats Tamilnadu.

Botrychium daucifolium Wall. ex Hook. & Grev.

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References:
Catalogue of Life  The Plant List Ver.1.1  IPNI  POWO  Flora of China  FOC illustration  India Biodiversity Portal  Plant illustrations  Herbarium JCB