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Mentha, also known as mint (from Greek μίνθα míntha, [2] Linear B mi-ta [3]), is a genus of flowering plants in the mint family, Lamiaceae. [4] It is estimated that 13 to 24 species exist, but the exact distinction between species is unclear. [5] [1] Hybridization occurs naturally where some species' ranges overlap. Many hybrids and ...
Common names include thorn apple, bitter apple, [1] bitterball [4] and bitter tomato [5] [6] It may be confused with the similar S. linnaeanum where their ranges overlap in Africa. In ancient India, Solanum incanum was domesticated into the eggplant , Solanum melongena .
However, the shoots, seeds or leaves of several species were used as food by Native Americans, and the plant also had some medicinal uses. The species are hard to distinguish, and their ranges overlap; furthermore, several of them have large numbers of slightly different varieties, and several of the species hybridise naturally.
On one extreme is allopatry, in which the overlap is zero (no gene flow), and on the other extreme is sympatry, in which the ranges overlap completely (maximal gene flow). The varying definitions of sympatric speciation fall generally into two categories: definitions based on biogeography, or on population genetics.
The two species are not genetically compatible: the result of over 27 attempts in Russia to hybridise the two species was just one stillborn kit, bred from the pairing of a male North American beaver and a female Eurasian beaver. The difference in chromosome count makes interspecific breeding unlikely in areas where the two species' ranges overlap.
No plant family has such a diverse range of flowers. Flowers are highly specialized in relation to their pollinators . Flowers are hermaphrodite (rarely unisexual), generally zygomorphic (bilaterally symmetrical), usually resupinates (i.e., the floral parts rotate 180° during development), often conspicuous and epigynous (i.e., the perianth ...
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Anisomeles malabarica is a perennial herbaceous shrub that ranges from 0.9 to 2.0m in height. [4] [10] The thick, petiolate leaves are a narrow oval shape, tapering to a point at each end; with a width of 1.5–3 cm and a length of 3–8 cm. [5] [10] The base of the leaves are narrowly cuneate or attenuate. [4]