晚红瓦松 Orostachys japonica

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FOC | Family List | FOC Vol. 8 | Crassulaceae | Orostachys
2. Orostachys japonica A. Berger in Engler & Prantl, Nat. Pflanzenfam., ed. 2. 18a: 464. 1930.
晚红瓦松 wan hong wa song

Rosette leaves narrowly spatulate, 15-30 × 4-7 mm, apex narrowly acuminate, apical spine not cartilaginous. Stem leaves red dotted, linear to linear-lanceolate, 2-6 × 0.3-0.7 cm, apex narrowly acuminate and prickles absent. Inflorescence racemose, dense, 8-20 × 2-5 cm in diam.; bracts resembling stem leaves but smaller. Flowers pedicellate. Sepals ovate, ca. 2 × 1 mm, apex obtuse. Petals white, minutely punctate, lanceolate, ca. 6 × 1.8 mm, apex reddish and rounded. Stamens shorter than petals. Nectar scales subquadrangular, ca. 0.3 mm, apex emarginate. Carpels erect, lanceolate, ca. 6 mm, abruptly tapered toward base. Styles slender, ca. 2 mm. Seeds brown, ca. 1 mm. Fl. Sep-Oct.

Rocks on low mountains, along streams. Anhui, E Heilongjiang, Jiangsu, Shandong, Zhejiang [Japan, Korea, Russia].

The present authors have followed V. V. Byalt (pers. comm.) who believes that the species identified in FRPS as Orostachys erubescens is in fact O. japonica, whereas true O. erubescens is a synonym of O. spinosa.



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