Orophea hirsuta

 Orophea hirsuta King, J. Asiat. Soc. Bengal, Pt. 2, Nat. Hist. 61(1): 82 (1892).

Orophea hirsuta King, Photo Hoang Thanh Son

its native range is Assam to China (S. Yunnan) and Peninsula Malaysia, Hainan.

Latin name:

Orophea hirsuta King

Family:

Annonaceae

Synonyms:

No synonyms are recorded for this name.

Vietnamese name:

Tháp hình lông.

Chinese name:

毛澄广花

Describtion:

Shrubs to 4 m tall. Branchlets, petioles, leaf blades abaxially, and peduncles persistently ferruginous hispid. Petiole 1-2 mm; leaf blade elliptic to oblong, 3.5-12 × 1.5-5 cm, papery, secondary veins 7-11 on each side of midvein, base obliquely shallowly cordate, apex acuminate to acute. Inflorescences superaxillary, cymose, 1-3-flowered; peduncle 1-1.5 cm. Pedicel ca. 4.5 mm, with 1 or 2 bracteoles at base. Sepals broadly ovate, puberulent. Petals reddish; outer petals broadly ovate, 3-4 mm, outside puberulent; inner petals ca. 8 mm, inside sparsely puberulent, basally long clawed, apically lozenge-shaped. Stamens 6. Carpels 3-6, glabrous; ovules 2 or 3 per carpel. Monocarp stipes 1-2 mm; monocarps globose, 0.8-1.3 cm in diam., sparsely villous.

Distribution: 

Assam, Cambodia, China South-Central, Hainan, Laos, Malaya, Vietnam (Thua Thien Hue).

Ecological:

Forests, altitude of about 300-600 m.

Diseases:

Susceptible to insect pests.

Cultivation:

Flower times:

Fl. Apr-Jul, fr. Jul-Dec

Type:

King's collector [4283], Peninsular Malaysia  K000574784 isotype

Chemical and Pharmacology:

Essential oils (leaf: cis-ρ-mentha-2,4(8)-diene, germacrene D, bicyclogermacrene).

Uses:

References:

https://www.ipni.org/n/74235-1

http://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:74235-1

http://www.efloras.org/florataxon.aspx?flora_id=3&taxon_id=200008571

https://indiabiodiversity.org/species/show/268063

D. N. Dai, Le T. Huong, Nguyen H. Hung, Tran D. Thang & Isiaka A. Ogunwande (2014) Chemical Compositions of Essential Oils of Selected Medicinal Plants from Thùa Thiên-Huế Province, Vietnam, Journal of Herbs, Spices & Medicinal Plants, 20:3, 269-281, DOI: 10.1080/10496475.2013.865007