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When flowers start to mature from the top of the stem, maturation is basipetal, whereas when the central mature first, maturation is divergent. Determinate inflorescence with acropetal maturation Determinate inflorescence with basipetal maturation
They have an unusual mode of conidiogenesis which includes aspects of both phialidic (A type of conidiogenous cell, bottle-shaped, that produces blastic conidia (phialospores) in basipetal succession) and annellidic (the conidiogenous cell (also called an annellide) produces a basipetal sequence of conidia called annelloconidia or annellospores ...
A type of conidiogenous cell, bottle-shaped, that produces blastic conidia (phialospores) in basipetal succession. The philade itself does not increase in length. The most common conidiogenous cell among conidial fungi. From Gr. phiale, jar. [293] phialospore An asexual spore formed from the tip of a phialide. Formed by abstriction. [294]
ABC model of flower development guided by three groups of homeotic genes. The ABC model of flower development is a scientific model of the process by which flowering plants produce a pattern of gene expression in meristems that leads to the appearance of an organ oriented towards sexual reproduction , a flower.
The flower-like characteristics of the cyathia are underlined by brightly coloured nectar glands and often by petal-like appendages to the nectar glands, or brightly coloured, petal-like bracts positioned under the cyathia. The paired petal-like bracts of Euphorbia section Goniostema are called cyathophylls. here female to male flower ratio is 1:α
The good news for the milkvetch plant is that they usually need wildfire to sprout — meaning dormant seeds now have a massive new habitat for a new crop of the rare shrub.
A spike, usually pendulous, in which the mostly small flower s are unisexual and without a conspicuous perianth, e.g. in willows, poplars, oaks, and casuarinas. The individual flowers often have scaly bract s and are generally wind-pollinated. Catkins are usually shed as a unit. caudate Having a narrow, tail-like appendage or tip, e.g. a drip tip.
Flowers, photos and messages are seen at a memorial at the International Skating Center of Connecticut before a moment of silence in memory of the D.C. plane crash victims, with a special tribute ...