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FOC | Family List | FOC Vol. 9 | Hamamelidaceae | Disanthus

1. Disanthus cercidifolius Maximowicz subsp. longipes (H. T. Chang) K. Y. Pan, Cathaya. 3: 24. 1991.

长柄双花木 chang bing shuan hua mu

Disanthus cercidifolius var. longipes H. T. Chang, Sunyatsenia 7: 70. 1948.

Shrub, to 3 m. Branchlets brown, glabrous, lenticellate. Petiole 3–5 cm; leaf blade broadly ovate-rounded, 5–10 × 5–9 cm, membranous, drying gray-white abaxially and green adaxially, glabrous, base slightly to deeply cordate, rarely truncate, margin entire, apex emarginate, rarely obtuse, acuminate. Peduncle (3–)9–22.5 mm, up to 25 mm in fruit; floral cup ca. 1 mm, abaxially brown hairy; sepals ovate, 1–1.5 mm. Petals red, linear from wider base, ca. 7 mm, each with 2 basal nectaries. Stamens much shorter than petals; anthers ovoid. Ovary glabrous; styles 1–1.5 mm. Capsules obovoid, 1.2–1.4 × 1–1.3 cm, apex subtruncate. Seeds black, shiny, irregularly ellipsoid, 4–7 × 3–4 mm. Fl. Oct–Nov, fr. Sep–Oct of following year.

Mixed evergreen and deciduous broad-leaved forests; 450--1200 m. Hunan, Jiangxi, Zhejiang.

This taxon is listed as endangered by the IUCN. Disanthus cercidifolius subsp. cercidifolius is endemic to Japan.


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