Spiraea hayatana

假繡線菊

endemic

Spiraea hayatana Li

名彙資訊

特徵描述

典藏標本

數位照片

分布位置

相關資訊

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Li, Lloydia 14: 237. 1951.

同發表文獻

Spiraea formosana Hayata var. brevistyla Hayata

Hayata, Materials for a flora of Formosa 89. 1911. (Mat. Fl. Formos.)
Spiraea japonica L. var. formosana (Hayata) Masam. subvar. brevistyla (Hayata) Masam.

Masam., Annual report of the Taihoku botanic garden, Faculty of Science and Agriculture, Taihoku Imperial Univeristy , Formosa, Japan 2: 123. 1932. (Ann. Rep. Taihoku Bot. Gard., 台北帝國大學理農學部附屬植物園年報)

shrub

A small shrub. Branches slender, fusco-ferrugineous, the young branchlets puberulous.
Leaves chartaceous, ovate-oblong, 2–3.5 cm long, 1–1.8 cm wide, acute to acuminate at apex, acute at base, sharply double-serrate, glabrous on both surfaces, the midrib and veins slightly impressed above, raised and distinct beneath; petioles 1–2 mm long, winged, pubescent.
Inflorescence a terminal corymb, up to 5 cm long, 5.5 cm wide, finely pubescent, the Flowers 4 mm across; bracts minute, subulate, hardly 1 mm long; pedicels slender, 3–4 mm long; calyx rotate-campanulate, 1.5 mm long, pubescent outside, glabrous inside, 5-lobed, the lobes triangular, 0.5 mm long; petals obovate, 2 mm long, the apex rounded to slightly emarginate; stamens about 20, long-exserted, the filaments about 4 mm long.
Mature carpels 2 mm long, glabrous, slightly rostrate, erect.