Machilus macrophylla

Machilus macrophylla

(records of yam planting in Tianmu, Zhejiang)

[source] it is the root of Michelia macrophylla.

[plant morphology] Phoebe macrophylla, also known as camphor, bamboo leaf haggard; Zhennan deciduous.

Small evergreen trees, usually up to 8 m tall. Branchlets dark brown, glabrous. Leaves alternate, obovate elliptic, 12-24 cm long, 3.5-7 cm wide, apex acuminate, base cuneate, entire, nearly leathery, dark green above, glabrous below, pale white below, first covered with silvery white sericeous hairs, then gradually falling off, 14-20 pairs of lateral veins; petiole 1-3 cm long, with shallow grooves above. Panicles in axils of new branches; flowers bisexual, pedicel 5-7 mm long; perianth 6-lobed, lobes oblong, about 6 mm long; stamens 9, anthers 4, locular; pistil 1, style slender. Berry globose, ca. 1 cm in diam., with persistent perianth, outside densely sericeous. The flowering period is from April to May. The fruit period is from June to September.

Born in hillside, valley and stream side mixed forest. Distributed in Zhejiang, Fujian, Guangdong, Hunan, Hubei and other places.

[chemical constituents] resin can be extracted from bark and oil can be extracted from seeds. 41% resin and 0. 238% rubber (calculated by dry sample). The leaves contain volatile oil.

[function and indications] records of Zhejiang Tianmu yam planting: "it is used to treat palm sores. Big leaf Nan root, with rice soup and bittern Tang into paste, apply the affected area. "