petaloid वाक्य
उदाहरण वाक्य
मोबाइल
- His key used the presence of six equal stamens, a single style, a simple petaloid ( undifferentiated tepals resembling petals ) perianth and a trilocular capsule with flat seeds to identify the family.
- The petaloids comprise vertical sheets of tubes filled with sand . " Swartpuntia " specimens range in length from 12 to 19 cm, and in width from 11.5 to 140 cm.
- The lily paraphyletic " catch-all " group of petaloid monocots that did not fit into other families and included a great number of genera now included in other families and in some cases in other orders.
- In some species of " Sauvagesia ", the anthers split lengthwise, but the entire androecium is wrapped in petaloid staminodes, so that the pollen can escape from only the apex of the anther.
- ""'Swartpuntia " "'is a monospecific genus of erniettomorph from the terminal Ediacaran period, with at least three quilted, leaf-shaped petaloids probably five or six.
- The morphological concept of petaloid monocots has been equated with " animal-attracting " ( that is, for pollination ) as opposed to wind-pollinating plants ( such as grasses ) that have evolved very different floral structures.
- Flowers on a spike, zygomorphic, perianth of 6 petaloid parts, 2.5-3 cm long, pale or dark rose pink, smelling only in the afternoon, bracts 1.5-3 cm long.
- These short, extra petals ( sometimes known as " petaloids " ) drop off after the flower has been pollinated, leaving an apparently single flower, whereas doubles and semi-doubles tend to retain their extra petals after pollination.
- One terminal showy flower, perianth cup shaped, of six free, petaloid segments, 2.5-9 x 1-3.5 cm, with dark blood-red colour, internally with a black blotch bordered by a yellow zone.
- In Irises and others in the Iridaceae family, the style divides into three petal-like ( petaloid ), " style branches " ( sometimes also referred to as stylodia ), almost to the base of the style and is called tribrachiate.
- Since some commelinids ( e . g . " Tradescantia " ) have petaloid flowers, the term'lilioid'is a more accurate one for the group which excludes them, since the term petaloid monocot is still occasionally used in describing commelinids.
- Since some commelinids ( e . g . " Tradescantia " ) have petaloid flowers, the term'lilioid'is a more accurate one for the group which excludes them, since the term petaloid monocot is still occasionally used in describing commelinids.
- They eventually came to encompass about 300 genera and 4, 500 species, within the system of Robert F . Thorne and that of Armen Takhtajan which characterised the family as petaloid monocots, characterised by showy flowers with tepals and without starch in the endosperm.
- Gray used a combination of Linnaeus'sexual classification and Jussieu's natural classification to group together a number of families having in common six equal stamens, a single style and a perianth that was simple and petaloid, but did not use formal names for these higher ranks.
- The bisexual flowers consist of ( 3-) 5 basally connate perianth segments ( either greenish, dorsally ridged and with hooded tips, or petaloid and whitish, yellowish, reddish, or greenish ), 5 stamens, and a semi-inferior ovary with 2-3 (-5 ) stigmas.
- For instance, Dahlgren had based monophyly on a single synapomorphy, that of a petaloid perianth, yet in discussing his Lilliflorae admitted it was undoubtedly paraphyletic . } } Dahlgren treated the monocots as split between ten superorders and placed five orders ( Dioscoreales, Asparagales, Liliales, Melanthiales, Burmanniales and Orchidales ) in his Liliiflorae.
- Samuel Frederick Gray's " A natural arrangement of British plants " ( 1821 ) . grouped together a number of families having in common six equal stamens, a single style and a perianth that was simple and petaloid, within which he separated families by the characteristics of their fruit and seed, such as Amaryllideae, Liliaceae, Asphodeleae and Asparageae.
- One of the narrower applications is " lily-like " monocots, meaning the two Heywood points out, some usages of " petaloid monocot ", particularly in horticulture, are so broad as to be almost meaningless in that it had been used to refer to all species with conspicuous petals or perianth segments ( tepals ), which would cover a broad swathe of families ( he estimated three dozen across many orders ).
- Vm8 10 the formula of " Tamarindus indica "; bract and petaloid bracteoles; monosymmetric calyx of three and two petaloid sepals; monosymmetric corolla of three and two reduced petals; two whorls of stamens, the outer monosymmetric from three fused and two reduced stamens, the inner of 4 reduced and 1 lost stamen; monosymmetric gynoecium of 1 carpel with superior ovary; marginal placentation with 8 10 ovules per gynoecium.
- Vm8 10 the formula of " Tamarindus indica "; bract and petaloid bracteoles; monosymmetric calyx of three and two petaloid sepals; monosymmetric corolla of three and two reduced petals; two whorls of stamens, the outer monosymmetric from three fused and two reduced stamens, the inner of 4 reduced and 1 lost stamen; monosymmetric gynoecium of 1 carpel with superior ovary; marginal placentation with 8 10 ovules per gynoecium.
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