Commeninales and Zingiberales week : Commelinacea: Callisia repens

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Mayur Nandikar

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Feb 8, 2011, 2:34:36 AM2/8/11
to indiantreepix
Hello to all

Callisia repens (Jacq.) Linn. Sp. Pl., ed. 2. 1: 62. 1762. Hapalanthus repens Jacquin, in Enumeratio Systematica Plantarum, quas in insulis Caribaeis 1, 12. 1760. 

Herbs perennial. Stems prostrate, forming mats, much branched, rooting at nodes. Leaves distichous, gradually becoming smaller distally along flowering shoots; leaf blade ovate to lanceolate, 1--4 × 0.6--1.2 cm, glabrous except for scabrid margin and apex, base clasping, subcordate or obtuse, apex acuminate. Inflorescence of paired (sometimes solitary), sessile, dense cincinni in axils of distal leaves. Flowers unisexual or male. Sepals green, linear-oblong, 3--4 mm, hirsute along midvein, margin scarious. Petals white, lanceolate, 3--6 mm. Stamens 3; filaments long exserted; connectives broadly deltoid. Ovary oblong, subtrigonous, 2-loculed, apex pilose; ovules 2 per locule. Style filiform, long; stigma penicillate. Capsule oblong, ca. 1.5 mm, 2-valved. Seeds 2 per valve, brown, ca. 1 mm, rugose.

Distribution: Native of New world, naturalized on roofs of houses.

--
Mr. Mayur D. Nandikar,
Research Student,
Department of Botany,
Shivaji University,
Kolhapur.
C.repens.jpg

tanay bose

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Feb 8, 2011, 9:05:41 AM2/8/11
to Mayur Nandikar, indiantreepix
In some places in N. America they grow as weeds as a result of escape from gardens.
Only seen during couple of months of summer
tanay
--
Tanay Bose
Research Assistant & Teaching Assistant.
Department of Botany.
University of British Columbia .
3529-6270 University Blvd.
Vancouver, B.C. V6T 1Z4 (Canada)
Phone: 778-323-4036 (Mobile)
           604-822-2019 (Lab)
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