Croton joufra Roxb., Fl. Ind. ed. 1832 3: 685 1832. (syn: Croton persimilis var. glabratus Müll.Arg.; Oxydectes joufra (Roxb.) Kuntze);
Bhutan to China (Yunnan) and Indo-China as per WCSP;
Assam; Bangladesh; Cambodia; China South-Central; East Himalaya; Myanmar;
Thailand; Vietnam as per Catalogue of Life;
Trees, 3-13 m tall; bark white or greyish-white, indumentum with stellate scales; branches rather stout. Leaves simple, alternate, spiral; petioles ca. 1.5-6 cm, apex with 2 cupular glands; lamina ca. 5-35 x 2-9 cm, ovate-lanceolate or elliptic, broadly cuneate or obtuse at base, acuminate at apex, margin serrate, coriaceous, both surfaces glabrous, reddish brown when dry, glossy; secondary nerves 6-14 pairs, ascending arcuate, anastomosing before margins. Inflorescence terminal, 10-25 cm, stellate-scaly; Male flowers: pedicels 2.5 – 6 mm long; sepals ovate to oblong, 0.15 – 0.35 x 0.1 – 0.25 cm; petals oblong-elliptic to oblanceolate, ca. 0.2 – 0.3 x 0.8 – 0.15 cm; stamens 10 – 13, 0.3 – 0.5 cm long; Female flowers: pedicels ca. 0.15 – 0.6 cm long; sepals triangular-acuminate to ovate, 0.15 – 0.3 x 0.1 – 0.25 cm; petals filiform, 0.5 – 3 mm long; ovary ovoid or oblong-ellipsoid, 0.25 – 0.4 x 0.25 – 0.35 cm, with irregular longitudinal ridges, usually obtuse at apex; styles 0.4 – 0.7 cm long. Capsules ca. 2.5-3.5 cm, ovoid-ellipsoid or oblong, obscurely lobed. Seeds ca. 1.2 cm, oblong.
Common in mixed forests, deciduous forests, edges of forests or scrub forests, up to 1300 m altitude.
India: Assam, Arunachal Pradesh, Nagaland, Mizoram, Tripura and Meghalaya; Bhutan, Bangladesh, Myanmar, China and Vietnam.
(attributions- French Institute of Pondicherry from India Biodiversity Portal)
Croton joufra (Euphorbiaceae) from Nagaland : 2 posts by 2 authors.
Photo credit: Dr. Santanu Dey
Habit: Deciduous shrubs or trees, 3-15 m high.
Habitat: Common in deciduous forests, mixed forests and scrub, reported up to 1300 m altitude.
Distribution: India (Assam, Arunachal Pradesh, Nagaland, Mizoram, Tripura and Meghalaya), Bhutan, Bangladesh, Myanmar, China and Vietnam.
This species is closely related to Croton persimilis but differing in the shallowly serrate to subentire leaf margins and the larger, obscurely 3-lobed, broadly oblong, broadly obovoid or obovoid-ellipsoid fruits, 2.5-3.5 cm long, 2-2.5 cm in diam.