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Fasciation. Fasciation (pronounced / ˌfæʃiˈeɪʃən /, from the Latin root meaning "band" or "stripe"), also known as cresting, is a relatively rare condition of abnormal growth in vascular plants in which the apical meristem (growing tip), which normally is concentrated around a single point and produces approximately cylindrical tissue ...
Fascicle (botany) In botany, a fascicle is a bundle of leaves or flowers growing crowded together; alternatively the term might refer to the vascular tissues that supply such an organ with nutrients. [1] However, vascular tissues may occur in fascicles even when the organs they supply are not fascicled.
L. [1] Celosia ( / siːˈloʊʃiə / see-LOH-shee-ə [2]) is a small genus of edible and ornamental plants in the amaranth family, Amaranthaceae. Its species are commonly known as woolflowers, or, if the flower heads are crested by fasciation, cockscombs. [3] The plants are well known in East Africa's highlands and are used under their Swahili ...
Syringa vulgaris is a large deciduous shrub or multi-stemmed small tree, growing to 6–7 m (20–23 ft) high. It produces secondary shoots from the base or roots, with stem diameters up to 20 cm (8 in), which in the course of decades may produce a small clonal thicket. [7] The bark is grey to grey-brown, smooth on young stems, longitudinally ...
Phyllotaxis. Crisscrossing spirals of Aloe polyphylla. In botany, phyllotaxis (from Ancient Greek φύλλον (phúllon) 'leaf', and τάξις (táxis) 'arrangement') [1] or phyllotaxy is the arrangement of leaves on a plant stem. Phyllotactic spirals form a distinctive class of patterns in nature .
Russelia equisetiformis is a multi-branching plant with thin leaves and arching foliage that measure around 4–5 feet (1.2–1.5 m). [2] The overall graceful form of the subshrub is a fountainesque mound. The stems and tiny oval leaves are bright green. It flowers profusely, with small, decumbent red flowers, earning the plant the common name ...
Cirsium vulgare, the spear thistle, bull thistle, or common thistle, is a species of the Asteraceae genus Cirsium, native throughout most of Europe (north to 66°N, locally 68°N), Western Asia (east to the Yenisei Valley), and northwestern Africa (Atlas Mountains).
The Power of Movement in Plants was published 6 November 1880, and 1500 copies were quickly sold by publisher John Murray. This book stands at the culmination of a long line of study in plants and is immediately preceded by 'The different forms of flowers on Plants of the same species’ (1877).