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Pollination is predominantly via insects or wind. However, the insect-pollinated genus Disanthus has been known to wind-pollinate (although inefficiently) in the event pollinators do not visit its flowers. [6] The genus Rhodoleia is unique because it is bird-pollinated. [5] [3] [7] The pollen structure in the lower Hamamelidae is relatively ...
Hamamelis virginiana, a member of the family Hamamelidaceae. Hamamelidales is an order of flowering plants formerly accepted in a number of systems of plant taxonomy, including the Cronquist system published in 1968 and 1988.
The genus name, Hamamelis, means "together with fruit", referring to the simultaneous occurrence of flowers with the maturing fruit from the previous year. [4] H. virginiana blooms in September–November while the other species bloom from January–March. Each flower has four slender strap-shaped petals 1 to 2 cm long, pale to dark yellow ...
A well-known system that used the name Hamamelididae is the Cronquist system, although in the disallowed spelling Hamamelidae. In the original 1981 version of this system the circumscription was: subclass Hamamelidae order Trochodendrales order Hamamelidales order Daphniphyllales order Didymelales order Eucommiales order Urticales order ...
Winter twig, showing elongate brown-pubescent terminal bud and persistent calyces. Hamamelis virginiana is a small, deciduous tree or shrub growing up to 6 metres (20 ft), rarely to 10 m (33 ft) tall, often with a dense cluster of stems from its base.
subclass Hamamelidae; subclass Caryophyllidae; subclass Dilleniidae; subclass Rosidae; subclass Asteridae; The Cronquist system has been very popular, and there have been many versions of the system published. In some of these Cronquist-based systems the name Magnoliopsida (at the rank of class) refers to the flowering plants (angiosperms).
Flowers have 150–200 stamens. The fruit occurs in heads rounded to subcylindric in shape, with pedicels 15–20 cm (5.9–7.9 in) long. The achenes are ellipsoid in shape, not winged, covered with villous hairs, with beaks curved that reflex as they age and 20–40 mm (0.79–1.57 in) long, feather-like.
Hymenocallis / ˌ h aɪ m ɪ n ə ˈ k æ l ɪ s / [7] (US) or / ˌ h aɪ m ɛ n oʊ ˈ k æ l ɪ s / [8] (UK) is a genus of flowering plants in the amaryllis family native to the Americas. [9]Hymenocallis contains more than 60 species of herbaceous bulbous perennials native to the southeastern United States, Mexico, Central America, the Caribbean, and northern South America.