• Scientific Name: Silene senno (Siebold & Zucc.) S.Akiyama
• Ref: Fl. Japan 2a:208. 2006
• Synonyms: Agrostemma bungeanum D.Don; Lychnis senno Siebold & Zucc.
• Chinese Common Name: 剪红纱花 jiǎn∙hóngshā huā
• Japanese Common Name: センノウ [仙翁] sennō
• Family: Caryophyllaceae
• Genus: Silene
• Distribution: Sparse forests, scrub grasslands, also extensively cultivated; 100–2000 m. Anhui, Gansu, Guizhou, Hebei, Henan, Hubei, Hunan, Jiangsu, Jiangxi, Sichuan, Yunnan, Zhejiang [Japan].
• Photo: 08/14/2010, Qingliang Peak, Zhejiang

Herbs perennial, 50--100 cm tall, pilose with sparse multicellular eglandular hairs. Roots caespitose, pale yellow, narrowly cylindric, slightly fleshy. Stem solitary, simple or branched above. Leaves elliptic-lanceolate, (4--)8--12 × 2--3 cm, both surfaces pubescent, ciliate at margin, base cuneate, apex acuminate. Dichasium many flowered. Pedicel 2--5(--15) mm; bracts lanceolate, pubescent. Flowers 3.5--5 cm in diam. Calyx tubular to narrowly funnel-shaped, (2--)2.5--3 cm × 2.5--3.5 mm, slightly inflated in fruit, pilose at veins; teeth triangular, 2--4 mm. Petal limb deep red, triangular-obovate, irregularly parted into numerous incised-dentate lobes; claw often exceeding calyx, narrowly cuneate, glabrous. Stamens and styles included; anthers dark purple. Androgynophore 1--1.5 cm. Capsule ellipsoid-ovoid, 1--1.5 cm, protruding from calyx tube. Seeds red-brown, reniform, ca. 1 mm, tuberculate. Fl. Jul--Aug, fr. Aug--Sep. 2n = 24*. (Flora of China)

08/14/2010, Qingliang Peak, Zhejiang