Malachra capitata (L.) L.

국표에 없다.

Summary

Herb

Dr. Chandra Barooah & Iftikher Ahmed (2014) Assam Science Technology and Environment Council.

 

Malachra species are annual, perennial herbs or undershrubs. Leaves simple, alternate, palmilobed or palmiparted. Fruits schizocarps.

Ganeshaiah, K. N., UAS, Bangalore, India. Kailash, B. R., ATREE, Bangalore, India. Royal Norwegian Embassy grants. Indian Bioresource Information Network (IBIN), Department of Biotechnology, New Delhi, India.

 

Brief

Flowering class: Dicot Habit: Herb Distribution notes: Exotic

Dr. N Sasidharan (Dr. B P Pal Fellow), Kerala Forest Research Institute, Peechi

 

Diagnostic

Description

Annual or perennial, erect herbs or undershrubs, to 1.5 m high; stems, petioles and peduncles densely pubescent with prickly stellate and simple hairs. Leaves alternate, orbicular or ovate, 3-5 angled or lobed, cordate at base, crenate to serrate at margin, obtuse or rounded at apex, 3-14 x 4-20 cm, velutinous with stellate and simple hairs on both surfaces, glabrescent, 5- nerved at base; petioles 2-8 cm long; stipules 1-2 cm long, filiform, rarely forked, hispid. Inflorescences 0.5-1.5 cm long, stout bearing 3-7 heads; each head with 2-5 flowers encircled by 3 or 4 leafy bracts; bracts ovate to orbicular, cordate to rounded at base, entire or crenate-serrate at margin, acute at apex with a slightly recurved tip, 0.5-2 cm across, folded along midnerve, stellate-pubescent and also with stiff bristles at margin and on nerves beneath. Calyx cupular, accrescent; lobes oblong to deltoid, acuminate, ca 6x 1.5 mm, 3-nerved with a few stiff simple hairs at apex. Corolla ca 1.5-2.5 cm across, bright yellow; petals obovate, ca 1.5 x 1 cm, ciliate at base, densely stellate-hairy outside, glabrous inside. Staminal column ca 1 cm long, pubescent with both stellate and simple hairs and a few glandular hairs, antheriferous throughout. Ovary glabrous; styles ca 1.3 cm long, glabrous, 10-branched; stigmas capitate, hairy. Schizocarps obpyriform, 5-6 mm across; mericarps 5, 3-gonous, acute at base, rounded at apex, ca 3 x 2 mm, glabrous, reticulate with brownish nerves, whitish; seeds 3-gonous, ca 2.5 mm long, covered with minute stellate hairs, brownish black.

Malachra capitata (L.) L. | Species (indiabiodiversity.org)

 

Malachra capitata (L.) L. | Plants of the World Online | Kew Science

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