Commelinales & Zingiberales Week: Day Flower
Mayur Nandikar
Commelina diffusa Burm. f., Fl. Ind. 13, t. 7, f. 2. 1768; Rolla Rao in Notes Roy. Bot. Gard. Edinb. 25: 179. 1964; Panigrahi & Kammathy in J. Ind. Bot. Soc. 43: 299. 1964; Lakshminarsimhan in Sharma et al., Fl. Maharashtra (Monocot.) 151, 1996; Faden In: Dassanayake (ed.), Rev. Handb. Fl. Ceylon 14: 184. 2000. Commelina nudiflora sensu Hook. f., Fl. Brit. India 6: 369. 1892 non L. 1753; Cooke, Fl. Pres. Bombay 3: 290. 1906.
Perennial with diffusely spreading shoots rooting at the nodes, lacking a definite base; roots thin, fibrous. Leaves distichous, sheaths to 2 cm long, ciliate at the apex, lamina linear-lanceolate to lanceolate-elliptic, 1.5-9.5 x 0.4-1.8 cm, glabrous. Spathes on peduncles (0.7-) 1.3-2.4 cm long, solitary, 1.1-3.5 cm long, 0.4-0.8 cm high, apex acuminate, base cordate, not at all to slightly falcate, margins free, smooth to scabrous or ciliolate, surfaces glabrous; upper cincinnus usually 1-several-flowered; lower cincinnus several-flowered. Flowers bisexual (lower and occasionally upper cincinnus) and male (upper cincinnus), (9-)11.5-17 (-20) mm wide, sepals free; paired petals c. 8 mm wide, blue; medial petal smaller, concolorous; staminodes 2-3, anthrodes cruciform, yellow; anther of medial stamen with a violet connective. Capsules oblong-elliptic to quadrate, trilocular, 4.5-7 x 3-4 (-4.5) mm, dorsal locule 1-seeded, ventral locules (1-)2-seeded. Ventral locule seeds broadly ovate to transversely elliptic in outline, 1.7-2.8 x 1.3-1.8 mm , testa dark brown, doubly reticulate, usually white-farinose.
Flowering and fruiting: October to July.
Distribution: Pantropical and warm temperate.
Ecology: Margins of pools, streams, rivers, ponds and marshes, sometimes growing in water; roadsides, open scrub, evergreen forest, forest edge, and weed in rice.
Mr. Mayur D. Nandikar,
Research Student,
Department of Botany,
Shivaji University,
Kolhapur.
tanay bose
Department of Botany.
University of British Columbia .
3529-6270 University Blvd.
Vancouver, B.C. V6T 1Z4 (Canada)
Phone: 778-323-4036 (Mobile)
manudev madhavan
Centre for Postgraduate Studies & Research
St. Joseph's College, Devagiri
Kozhikode- 673 008
Mob: 9496470738
J.M. Garg
Forwarding again for Id confirmation or otherwise please.
Some earlier relevant feedback:
“Mayurji,
Am not sure but I could see some pubescence upon the spathe in the picture.
Do Commelina diffusa have such hairs on spathe?
in your description, it has a glabrous surface.” from Manudev ji.
The whole world uses my Image Resource of more than a thousand species & eight thousand images of Birds, Butterflies, Plants etc. (arranged alphabetically & place-wise): http://commons.wikimedia.org/wiki/Category:J.M.Garg. You can also use them for free as per Creative Commons license attached with each image.
J.M. Garg
Some earlier relevant feedback:
“Mayurji,
From: Narendra Joshi <nare...@gmail.com>
Date: 9 February 2011 10:33
Subject: [efloraofindia:62440] Commelinales & Zingiberales Week: Day Flower
To: indiantreepix <indian...@googlegroups.com>
--
The whole world uses my Image Resource of more than a thousand species & eight thousand images of Birds, Butterflies, Plants etc. (arranged alphabetically & place-wise): http://commons.wikimedia.org/wiki/Category:J.M.Garg. You can also use them for free as per Creative Commons license attached with each image.
Gurcharan Singh
Some earlier relevant feedback:
“Mayurji,
Dr. Gurcharan Singh
Retired Associate Professor
SGTB Khalsa College, University of Delhi, Delhi-110007
Res: 932 Anand Kunj, Vikas Puri, New Delhi-110018.
Phone: 011-25518297 Mob: 9810359089
http://people.du.ac.in/~singhg45/
From: Narendra Joshi <nare...@gmail.com>
Date: Wed, Feb 9, 2011 at 10:33 AM
Subject: [efloraofindia:62440] Commelinales & Zingiberales Week: Day Flower
To: indiantreepix <indian...@googlegroups.com>
Mayur Nandikar
Mr. Mayur D. Nandikar,
Research Student,
Department of Botany,
Shivaji University,
Kolhapur.