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Within Gynotrocheae, Crossostylis is morphologically distinct from other Gynotrocheae in having capsular fruits that split open at maturity and an appendage on a mature seed. [7] In addition, Crossostylis possesses a multi-celled archesporium in ovules just like members in Macarisieae, while the archesporium is one-celled in the other Gynotrocheae.
An arillode or false aril is sometimes distinguished: whereas an aril grows from the attachment point of the seed to the ovary (from the funiculus or hilum), an arillode forms from a different point on the seed coat. [2] The term "aril" is sometimes applied to any fleshy appendage of the seed in flowering plants, such as the mace of the nutmeg ...
Attached at the base with ear-shaped appendages (auricle s). See also Leaf shape. autogamous Self-pollinating, self-fertilizing – in flowering plants awn 1. Any long, bristle-like appendage. 2. In the Poaceae, an appendage terminating or on the back of glume s or lemma s of some grass spikelet s. 3.
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Depending on the species, such awns have various seed-dispersal functions, either dispersing the seed by flinging it out (seed ejection); flinging away the entire carpel so that it snaps off (carpel projection); [2] entangling the awn or bristles on passing animals ; or possibly burying the seed by twisting as it lies on soft soil.
In botany, a plant shoot consists of any plant stem together with its appendages like leaves, lateral buds, flowering stems, and flower buds. [1] [2] The new growth from seed germination that grows upward is a shoot where leaves will develop.
Triantha is distinguished from Tofieldia by its glandular-pubescent stems and by the presence of seed appendages. In 2011, a study of two nuclear genes and ten chloroplast genes showed that Triantha and Tofieldia are monophyletic and closely related sister clades .
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