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FOC | Family List | FOC Vol. 2-3 | Lycopodiaceae | Lycopodium

3. Lycopodium annotinum Linnaeus, Sp. Pl. 2: 1103. 1753.

多穗石松 duo sui shi song

Lepidotis annotina (Linnaeus) P. Beauvois; Lycopodium bryophyllum C. Presl; Spinulum annotinum (Linnaeus) A. Haines.

Stolons slender and creeping, up to 2 m, green, with sparse leaves; lateral branches ascending, 8-20 cm tall, 1-3 times forked, sparse, terete, stem together with leaves 10-15 mm in diam. Leaves spirally arranged, dense, spreading or nearly spreading, lanceolate, 4-8 × 1-1.5 mm, leathery, without transparent hairs, midrib indistinct abaxially, visible adaxially, base cuneate, decurrent, sessile, margin toothed (margins of leaves of aerial shoots subentire), apex acuminate. Strobili solitary, terminal on branchlets, erect, terete, sessile, 2.5-4 cm × ca. 5 mm; sporophylls broadly ovate, ca. 3 × 2 mm, papery, margin membranous, erose, apex acute. Sporangia enclosed.

Coniferous forests, mixed forests, bamboo forests; 700-3700 m. Chongqing, Gansu, Heilongjiang, Hubei, Jilin, Liaoning, Shaanxi, Sichuan, Taiwan [Bhutan, NE India, Japan, Korea, Nepal, Russia; Europe, North America].

Lycopodium annotinum is the most common species in the genus. Its leaves are lanceolate with toothed margins.


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