Overview

Distribution

Guangxi, Guizhou, SW Sichuan, SE Xizang, Yunnan.
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Physical Description

Morphology

Description

Shrubs or small trees, 1-10 m tall. Young branchlets yellow-green, striate; old branchlets dark brown, glabrous. Petiole 0.5-1.5 cm, sulcate adaxially, glabrous; leaf blade abaxially pale green, adaxially dark green or glossy, ovate or elliptic, 5-10 × 2.5-5 cm, thinly leathery, both surfaces glabrous, midvein distinctly raised abaxially, impressed adaxially, secondary veins in 4 or 5 pairs, arcuate, reticulate veins prominent, base obtuse or rounded, margin slightly curved spinose serrate, apex acute or shortly acuminate. Racemes terminal, nodding to pendulous, to 20 cm; rachis puberulous; bracts subulate, ca. 1 mm. Flowers numerous, often 3-clustered; pedicel spreading at anthesis, pendulous in fruit, ca. 2 mm, puberulous. Calyx shallowly cupular; lobes triangular-lanceolate, 1-1.5 mm, puberulous, rarely subglabrous. Petals erect at anthesis, slightly curved apically, pale green, linear-lanceolate, ca. 2.5 mm. Stamens usually shorter than petals; filaments ca. 2 mm, glabrous; anthers oblong. Ovary semi-inferior, glabrous. Style simple; stigma capitate. Capsule conical, 5-6 mm, glabrous. Fl. and fr. May-Dec. 2n = 22*.
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Diagnostic Description

Synonym

Itea bodinieri H. Léveillé; I. esquirolii H. Léveillé; I. forrestii Y. C. Wu; I. mengtzeana Engler.
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© Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA

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Ecology

Habitat

* Coniferous, broad-leaved, or mixed forests, streamsides, rocks; 1100-3000 m.
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Notes

Comments

In habit, this species is similar to, and is often confused with, Itea ilicifolia. However, I. yunnanensis differs in having narrower leaf blades, usually more than 2 × as long as wide, with a more densely spinose serrate margin.
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© Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA

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