Rhodotypos scandens

(Thunberg) Makino

Bot. Mag. (Tokyo) 27: 126. 1913

IllustratedIntroduced
Basionyms: Corchorus scandens Thunberg Trans. Linn. Soc. 2: 335. 1794
Synonyms: Kerria tetrapetala Siebold Rhodotypos kerrioides Siebold & Zuccarini R. tetrapetala (Siebold) Makino
Treatment appears in FNA Volume 9. Treatment on page 387.

Stems reddish brown. Leaves: stipules 2–3.5 mm, membranous, margins strongly sericeous; petiole 3–10 mm; blade weakly bicolored, narrowly to broadly ovate, 4.5–7.5(–10) × 2–4(–6.5) cm, base rounded to broadly cuneate, plicate between impressed veins, apex acuminate, abaxial surface more strongly sericeous, hairs 0.1–0.2 mm. Pedicels 6–13 mm (to 30 mm and expanding in fruit). Flowers: epicalyx bractlets linear-lanceolate, leafy, 2.5–5 × 1 mm; sepals 8–15(–18) mm, thickened basally, distally leafy, fimbriate-serrate, acuminate, sericeous-strigose; petals spreading, 17–22 mm, margins entire-erose; stamens in several series mostly at sepal bases, rarely onto torus, filaments white, 4–6 mm, anthers yellow, 0.5–0.7 mm; torus 2–2.5 mm, interior densely sericeous-strigose, exterior glabrous; styles linear. 2n = 18.


Phenology: Flowering Apr–May; fruiting Jun–Sep.
Habitat: Mesic disturbed woods and thickets, especially in suburban areas
Elevation: 0–300 m

Distribution

V9 646-distribution-map.jpg

Introduced; Ont., Ala., Conn., Del., D.C., Ga., Ill., Ind., Kans., Ky., Mass., Mich., Miss., Mo., Nebr., N.H., N.J., N.Y., N.C., Ohio, Pa., S.C., Vt., Va., W.Va., Wis., Asia (China, Japan, Korea).

Discussion

Rhodotypos scandens is expected elsewhere in North America. It is widely cultivated in Japan and infrequently in North America and Europe.

Selected References

None.

Lower Taxa

None.

... more about "Rhodotypos scandens"
James Henrickson +
(Thunberg) Makino +
Corchorus scandens +
Ont. +, Ala. +, Conn. +, Del. +, D.C. +, Ga. +, Ill. +, Ind. +, Kans. +, Ky. +, Mass. +, Mich. +, Miss. +, Mo. +, Nebr. +, N.H. +, N.J. +, N.Y. +, N.C. +, Ohio +, Pa. +, S.C. +, Vt. +, Va. +, W.Va. +, Wis. +, Asia (China +, Japan +  and Korea). +
0–300 m +
Mesic disturbed woods and thickets, especially in suburban areas +
Flowering Apr–May +  and fruiting Jun–Sep. +
Bot. Mag. (Tokyo) +
Illustrated +  and Introduced +
Kerria tetrapetala +, Rhodotypos kerrioides +  and R. tetrapetala +
Rhodotypos scandens +
Rhodotypos +
species +