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The flowers are catkins 4–6 cm (1 + 1 ⁄ 2 – 2 + 1 ⁄ 4 in) long, produced in early spring before the leaves. The fruit is a 10 cm-long (4 in) pendulous string of 6-millimeter (1 ⁄ 4 in) capsules, each capsule containing about ten minute seeds embedded in cottony fluff, which aids wind dispersal of the seeds when they are mature in ...
Betulaceae flowers are monoecious, meaning that they have both male and female flowers on the same tree. Their flowers present as catkins and are small and inconspicuous, often with reduced perianth parts. These flowers have large feathery stamen and produce a high volume of pollen, as they rely on wind pollination.
Catkin-bearing plants include many trees or shrubs such as birch, willow, aspen, hickory, sweet chestnut, and sweetfern (Comptonia). [citation needed]In many of these plants, only the male flowers form catkins, and the female flowers are single (hazel, oak), a cone (), or other types ().
catkin 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 ...
The first column below lists seed-bearing species epithets from Stearn's Dictionary, Latin for Gardeners [4] by Lorraine Harrison, The A to Z of Plant Names by Allen Coombes, The Gardener's Botanical [5] by Ross Bayton, and the glossary of Stearn's Botanical Latin. [6]
The flowers are wind-pollinated catkins produced in early spring before the new leaves appear; they are dioecious, with male and female catkins on different trees. The male catkins are patterned green and brown, 5–10 centimetres (2.0–3.9 in) long when shedding pollen; the female catkins are green, 2–6 centimetres (0.79–2.36 in) long at ...
Dracaena, Dragon tree; Yucca, Joshua tree etc. Arecaceae (Palmae) (Palm family) Areca, Areca; Cocos nucifera, Coconut; Phoenix, Date Palm etc. Trachycarpus, Chusan Palm etc. Poaceae (grass family) Bamboos, Poaceae subfamily Bambusoideae, around 92 genera; Note that banana 'trees' are not actually trees; they are not woody nor is the stalk ...
Female alder catkins after shedding their seeds Alnus serrulata male catkins. Alders are trees of the genus Alnus in the birch family Betulaceae.The genus includes about 35 species [2] of monoecious trees and shrubs, a few reaching a large size, distributed throughout the north temperate zone with a few species extending into Central America, as well as the northern and southern Andes.