7. Ectropothecium penzigianum Fleisch. 大偏蒴藓 da pian shuo xian
Hedwigia 44: 328. 1905. Type: Indonesia.
Plants large, yellowish green or reddish yellow, somewhat glossy. Stems prostrate, elongate, 15–25 cm long, erect or ascending, remotely branched or bipinnately branched, branches ca. 5 cm long, branchlets 0.5–1.5 cm long; pseudoparaphyllia small, lanceolate or triangular; central strand somewhat developed in old stems. Stem leaves cordate at base, slightly decurrent, slenderly acuminate, often falcate-secund at apex, ca. 1.6 mm × 0.9 mm, concave, slightly plicate; margins serrulate above; costae double, short or indistinct; leaf cells somewhat thick-walled, narrowly rhomboidal, ca. 36 µm long, prorate; alar cells consisting of 1 large and 3 decurrent, hyaline, rectangular or elliptical cells; branch leaves smaller, concave, ovate at base, gradually acuminate, ca. 0.7 mm × 0.4 mm; serrulate above; costae indistinct; leaf cells smooth, thin-walled, rhomboidal, ca. 20 µm × 4–5 µm. Dioicous. Perigonia small, at base of stems; antheridia numerous, short and thick, club shaped, paraphyses elongate; perigonial leaves numerous. Inner perichaetial leaves ovate-lanceolate, gradually acuminate, keeled, serrulate near apex, somewhat sheathing at base. Setae suberect or bent, reddish brown, ca. 5 cm long; capsules inclined, brownish, ovoid, constricted below the mouth ; opercula conic, slenderly rostrate; annuli developed, in 3 rows of cells; peristome double; exostome teeth narrowly lanceolate, ca. 0.7 mm long, brownish green, papillose; endostome yellowish brown, papillose, with 3–4 cilia. Calyptrae not seen. Spores yellowish brown, 15–19 µm in diameter, papillose.