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FOC | Family List | FOC Vol. 13 | Lythraceae | Duabanga

2. Duabanga ×taylorii Jayaweera, J. Arnold Arbor. 48: 93. 1967.

细花八宝树 xi hua ba bao shu

Trees, large, to 45 m tall, 70-100 cm d.b.h.; buttresses absent. Leaves distichous, subsessile; petiole to 2 cm; leaf blade oblong to ovate, broad, largest leaves 13-18 × 7-8 cm, smaller at bases and apices of branchlets, lateral veins [5-]15-18[-25] pairs, base cordate, apex abruptly acuminate. Corymbs 5- to many flowered; pedicels 1-1.2 cm. Floral tube broadly campanulate, ca. 3 × 3 cm; sepals 4 or 5, rarely 6-8, 1.5-2 × 1.2-1.8 cm. Petals 4 or 5, yellowish white, obovate, 2-2.5 × 1.5-2 cm. Stamens 24-45, uniseriate. Capsules ovoid-oblong, 1.5-2.5 × 1.7-2.5 cm, 4-valved. Seeds ca. 5.5 mm.

Cultivated. Hainan [possibly native to Indonesia (Java)].

This species is used for timber. It was described from trees cultivated at the Royal Botanic Gardens, Peradeniya, Sri Lanka. The trees were grown from seed from an unknown source but are suspected to have come from Java. The designation as a hybrid is somewhat uncertain because the two other known species of Duabanga do not have overlapping ranges. It might well be a multistaminate form of D. moluccana Blume or maybe, if D. grandiflora and D. moluccana were cultivated together in Java, the seed was from a garden hybrid that occurred there.


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