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adj. Botany
Heart-shaped, with the narrow end at the base: an obcordate leaf.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


(Botany) botany heart-shaped and attached at the pointed end: obcordate leaves.
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(ɒbˈkɔr deɪt)

heart-shaped, with the attachment at the pointed end, as a leaf.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
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Although there are various leaves in size, shape, color, and texture, we can divide all leaves into several similar classes by different leaf shape representation criteria, such as (1) Simple and Complex; (2) Single and Compound; (3) Linear, Oblong, Elliptic, Ovate, Obovate, Orbicular, Cordate, Obcordate, Reniform, Deltoid, and others, as shown in Figure 2.
0.1 mm; flower 1.5-3 cm diam; sepals heteromorphic, two smaller ovate, 4-5 x 1.7-2.3 mm, glabrous, margin ciliated, three larger obovate and suborbiculares, 8-10 x 4-8 mm, tomentulose, margin glabrous; petals heteromorphic, yellow, petal vexilar obcordate, 9-17 x 5.5-12 mm, two laterals obovate, 10-17 x 6-13 mm, two abaxial obovate, 10-20 x 8-14 mm; stamens 7, heteromorphic, three largest, a central, 9-10 mm long, two laterals, 10-15 mm long, four smaller, median, 6-7 mm long, fillets 1.4-7 mm long, anthers 4-8 mm long; three staminodes, 3.5 4.5 mm long; ovary tomentulose, 10-17 x 0.1-0.5 mm, 21-25 ovulated, style 2-3.5 mm long.
Obovate to obcordate fused stipules remaining green for some nodes (fig.
Intact fruits not seen; samaras alike, except samara coming from anterior carpel bearing persistent style; samara obcordate in outline, with three subequal wings (two lateral and one dorsal) 8-10 mm long, 3-4 mm wide, loosely hairy with some hairs persistent at maturity, especially on nut and base of wings; wings membranous with reticulate venation, distinct distally, connate proximally; each samara bearing a slender cartilaginous ventral carpophore from base along midline to place of attachment of samara to receptacle.