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FOC | Family List | FOC Vol. 23 | Typhaceae | Typha

5. Typha laxmannii Lepechin, Nova Acta Acad. Sci. Imp. Petrop. Hist. Acad. 12: 84. 1801.

无苞香蒲 wu bao xiang pu

Stems 0.8-1.3 m tall, slender. Leaves 50-90 cm × 2-4 mm, abaxially convex, transverse section semicircular. Male part of spikes 6-14 cm, axis with whitish or yellowish brown hairs, with 1 or 2 deciduous bracts at base and in middle portion; female part of spikes distinctly separated from male part, 4-6 cm, with 1 deciduous bract. Male flowers: stamens 2 or 3; anthers ca. 1.5 mm. Female flowers without bracteoles; ovary lanceolate; stalk 2.5-3 mm, slender; styles 0.5-1 mm; stigmas spatulate, 0.6-0.9 mm; hairs on stalk ca. as long as style. Fruit elliptic. Fl. and fr. Jun-Sep. 2n = 30.

Lakes, ponds, channels, swamps, shallow rivers. Gansu, Hebei, Heilongjiang, Henan, Jiangsu, Jilin, Liaoning, Nei Mongol, Ningxia, Qinghai, Shaanxi, Shandong, Shanxi, Sichuan, Xinjiang [Afghanistan, Japan, Kazakhstan, Kyrgyzstan, Mongolia, Pakistan, Russia, Tajikistan, Turkmenistan, Uzbekistan; SW Asia, Europe].

Typha laxmannii var. mongolica Kronfeld (Verh. K. K. Zool.-Bot. Ges. Wien 39: 169. 1889) was treated in Fl. Hebei. (3: 217. 1991).


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