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Flowers of the Dichrostachys cinerea are characteristically arranged in bicoloured cylindrical spikes that resemble Chinese lanterns, 6 to 8 centimetres (2.4 to 3.1 in) long and fragrant. [9] Upper flowers of a hanging spike are sterile, and are of a lilac or pale purple colour with the bottom half of the spikes displaying yellow flowers.
Streptanthus drepanoides is an uncommon species of flowering plant in the mustard family known by the common name sicklefruit jewelflower. [1] It is endemic to California, where it is known from a scattered distribution throughout several mountain ranges in the northern part of the state, including the Klamath Mountains.
The leaves grow up to 3–4.5 centimeters long. The stems have distinct smelling foliage when young. The flowers occur in pairs in axils of leaves with five petals and pale yellow in colour. The stamens are of unequal length. The pods are somewhat flattened or four angled, 10–15 cm long and sickle shaped, hence the common name sickle pod.
Most alfalfa cultivars contain genetic material from sickle medick (M. falcata), a crop wild relative of alfalfa that naturally hybridizes with M. sativa to produce sand lucerne (M. sativa ssp. varia). This species may bear either the purple flowers of alfalfa or the yellow of sickle medick, and is so called for its ready growth in sandy soil. [83]
Senna obtusifolia is usually self pollinated as many flowers being fertilized before opening, [20] though the flowers are heavily visited by bees. [25] Senna obtusifolia has one (in Caribbean and North American forms) to two (in South American forms) extrafloral nectaries on the upper surface of the rachis [ 20 ] that usually attract ants, but ...
In angiosperms (flowering plants), the term locule usually refers to a chamber within an ovary (gynoecium or carpel) of the flower and fruits. Depending on the number of locules in the ovary, fruits can be classified as unilocular (uni-locular), bilocular, trilocular, or multilocular. The number of locules present in a gynoecium may be equal to ...
When these attempts failed, they turned to the fruit itself and were able to culture adult plants from placental tissue. [9] The team grew 36 specimens from the tissue. [ 10 ] The plants looked identical to modern specimens until they flowered, at which time the petals were observed to be longer and more widely spaced than modern versions of ...
Found as a shrub or small tree from 2 to 5 m (6.6 to 16.4 ft) high, Acacia falcata has grey or black bark. Like most wattles it has phyllodes rather than leaves. These are a pale green or grey-green and sickle-shaped, measuring 7–19 cm (2.8–7.5 in) in length, by 0.9–4 cm (0.35–1.57 in) wide with a prominent mid vein.