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Lagerstroemia balansae Koehne

毛萼紫薇

Description from Flora of China

Shrubs to small or tall trees, 5-25 m tall. Bark yellowish, smooth; young branches, leaves, petioles, inflorescences, and floral tubes golden to red-brown tomentose; trichomes dendritic, partially to completely glabrescent. Petiole 4-8 mm; leaf blade oblong-lanceolate or elliptic, 6-12[-15] × 2-5.5[-6] cm, thickly papery to thinly leathery, abaxially glabrescent except on veins, lateral veins 5-8 pairs, base acute to subrounded, apex acute or shortly acuminate. Panicles 6-15[-20] cm, open, few flowered, sometimes interrupted by leaves, densely red-brown tomentose. Floral tube 6-merous, 1-1.2 cm, smooth walled, densely golden-brown tomentose; sepals 5-6 mm, adaxially densely tomentose; annulus absent; epicalyx absent. Petals purple-red, orbicular to obovate, ca. 1.8 cm including claw 2-4 mm. Stamens 60-70, dimorphic, antepetalous stamens mostly included. Ovary densely tomentose. Capsules ovoid, 1.2-1.5 cm, 5- or 6-valved, apex tomentose. Seeds including wing ca. 1.1 cm. Fl. Jun-Jul, fr. Oct-Nov.

Common in mixed forests; low elevations. Hainan [Laos, Thailand, Vietnam].

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