Archidendron clypearia (Jack) I.C.Nielsen

Archidendron clypearia (Jack) I.C.Nielsen; Photos Hoàng Hóa Trần

Vietnamese name: 

Mắn đỉa, Khét

Chinese name: 

猴耳环 hou er huan

English name:

Latin name: 

Archidendron clypearia (Jack) I.C.Nielsen

Synonym name: 

Abarema angulata (Benth.) Kosterm.

Abarema clypearia (Jack) "Kosterm., p.p."

Abarema clypearia (Jack) Kosterm.

Abarema clypearia var. angulata (Benth.) Kosterm.

Abarema clypearia subsp. velutina (Merr. & L.M.Perry) Verdc.

Abarema cuneadena (Kosterm.) Kosterm.

Abarema sessiliflora (Merr.) Kosterm.

Albizia angulata (Benth.) Kurz

Albizia heterophylla "Kurz, nom.nud."

Archidendron clypearia subsp. clypearia

Archidendron clypearia subsp. sessiliflorum (Merr.) I.C.Nielsen

Feuilleea clypearia (Jack) Kuntze

Feuilleea subacuta (Benth.) Kuntze

Inga acutangula "Graham, nom.nud."

Inga clypearia Jack

Inga dimidiata Hook. & Arn.

Inga falcifolia Hassk.

Inga falciformis "Hassk., nom.nud."

Inga fasciformis "Hassk., nom.nud."

Inga kawahurunae Voigt

Inga subfalcata "Zoll. & Moritzi, nom.rejic."

Mimosa heterophylla Roxb.

Mimosa scutifera var. casai Blanco

Mimosa trapezifolia "sensu Roxb., non Vahl, nom.nu"

Pithecellobium acutangulum Miq.

Pithecellobium angulatum Benth.

Pithecellobium angulatum var. heterophylla (Roxb.) "Prain, nom.nud."

Pithecellobium angulatum var. intermedia Prain

Pithecellobium clypearia (Jack) Benth.

Pithecellobium clypearia var. acuminatum Gagnep.

Pithecellobium clypearia var. densius-tomentella "Miq., nom.rejic."

Pithecellobium clypearia subsp. velutina Merr. & L.M.Perry

Pithecellobium clypearia var. velutinum Merr. & L.M. Perry

Pithecellobium cuneadenum Kosterm.

Pithecellobium falcifolium (Hassk.) Hassk.

Pithecellobium heterophylla (Roxb.) "J.F.Macbr., nom.nud."

Pithecellobium heterophyllum (Roxb.) J.F.Macbr.

Pithecellobium montanum Benth.

Pithecellobium montanum var. microphylla "Benth., nom.rejic."

Pithecellobium montanum var. subfalcatum (Zoll. & Moritzi) "Miq., nom.rej"

Pithecellobium montanum var. variegatum Miq.

Pithecellobium parvifolium "sensu Merr., non Benth., nom."

Pithecellobium prainianum Merr.

Pithecellobium sessiliflorum Merr.

Pithecellobium subacutum Benth.

Pithecellobium subacutum Thwaites

Family: 

Mimosaceae 

Description: 

Trees, to 10 m tall. Branchlets angulate, densely yellow tomentose. Leaf petiole 4-angulate; leaf rachis and base of petiole with glands; glands flat or hollow; pinnae (3 or)4 or 5(-8) pairs, densely yellow tomentose, lowermost pinna with 3-6 pairs of leaflets, uppermost one with 10-12 pairs of leaf­lets; leaflets subsessile, adaxially shiny, oblique, rhombic-trape­zoid, 1-7 × 0.7-3 cm, upper one largest, downward smaller, leathery, both surfaces slightly brown pubescent, base very unequally sided. Corymbs several flowered, arranged in termi­nal or axillary panicles. Flowers pedicellate. Calyx campan­ulate, 1-3 mm, 5-toothed, calyx and corolla densely brown villous. Corolla white or yellowish, 4-5 mm; lobes lanceolate. Sta­mens ca. 2 × as long as corolla, staminal tube equaling corolla tube. Ovary stipitate, hairy. Legume twisted, 1-1.5 cm wide, margin constricted between seeds. Seeds 4-10, black, ellip­soidal or broadly ellipsoidal, ca. 1 cm; testa wrinkled when dry. 

Flower season: 

Feb-Jun 

Fruit season: 

Apr-Aug.

Distribution: 

E. Asia - southern China, India, Sri Lanka, Bangladesh, Myanmar, Thailand, Cambodia, Laos, Vietnam, Malaysia, Indonesia, Philippines, Papua New Guinea. In VietNam, found in Đồng Nai, Bảo Lộc (Lâm Đồng). 

Ecological: 

The tree grows naturally, commonly found in evergreen forests, swamp forests, open-ended forests of the Dipterocarpaceae and mixed deciduous forests up to 1700 m.

Cultivation Details:

A plant mainly of the moist, lowland tropics, where it also extends to elevations of 1,700 m.

Trees can flower and fruit all year round.

This species has a symbiotic relationship with certain soil bacteria, these bacteria form nodules on the roots and fix atmospheric nitrogen. Some of this nitrogen is utilized by the growing plant but some can also be used by other plants growing nearby.

Chemical: 

Daucosterol, methyl gallate, quercetin 3-O-alpha-L-rhamnopyranoside, 7-O-galloyltricetiflavan, 1-octacosanol, acid docosenoic, betulinic acid, α-tocopherol, a-spinasterone, stigmasterol, quercetin và rutin

Medicinal: 

Treatment of Scabies (Leaves boil bath water). Dry leaves to treat the wound.

Other Uses:

The leaves and bark are sources of tannins.

The leaves are used for colouring rattan.

The leaves and bark are used to stain cloth black.

The timber is used for light construction, interior joinery, furniture and cabinet work, knife handles, weapon sheaths, boxes, coffins etc.

The wood can be used as fuel.

Reference: 

- theplantlist.org

- efloras.org

- ipni.org

- tropical.theferns.info