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FOC | Family List | FOC Vol. 5 | Urticaceae | Boehmeria

11. Boehmeria hamiltoniana Weddell, Ann. Sci. Nat., Bot., sér. 4. 1: 199. 1854.

细序苎麻 xi xu zhu ma

Boehmeria platyphylla D. Don var. hamiltoniana (Weddell) Weddell.

Shrubs to 2 m tall; branches glabrous. Leaves opposite, unequal in size; stipules subulate-lanceolate, ca. 7 mm; petiole 1.2-7 cm, strigose, glabrous; leaf blade obliquely ovate, oblong, or rarely lanceolate, 8-21 × 3.5-8 cm, herbaceous, secondary veins 2 pairs along midvein, abaxial surface pubescent along veins, adaxial surface sparsely strigose, base broadly cuneate or obliquely subrounded, margin inconspicuously crenulate, apex acuminate. Glomerules unisexual, on long spikelike inflorescences, usually with a few long basal branches, widely separated; male spikes to ca. 6 cm; bisexual or female spikes very slender, to 26 cm. Male flowers 4-merous, subsessile; perianth lobes elliptic, ca. 1.5 mm, sparsely puberulent, connate at base; rudimentary ovule ellipsoid, ca. 0.5 mm. Fruiting perianth ellipsoid, compressed, ca. 1 mm, strigose on shoulder, base sharply cuneate, ± stipitate, apex 2-toothed. Fl. May-Aug, fr. Oct-Dec.

Margins of secondary forests, moist places along streams; ca. 700 m. S Yunnan [Bhutan, Indonesia, NE India, Myanmar, Nepal, Thailand].


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