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Vine maple (Acer circinatum) Samara of Combretum zeyheri. A samara (/ s ə ˈ m ɑːr ə /, UK also: / ˈ s æ m ər-/) [1] is a winged achene, [2] a type of fruit in which a flattened wing of fibrous, papery tissue develops from the ovary wall. A samara is a simple dry fruit, and is indehiscent (not opening along a seam).
The fruit is a pair of winged samaras, each samara 2–3 cm (3 ⁄ 4 – 1 + 1 ⁄ 4 in) long with a 6–8 mm (1 ⁄ 4 – 5 ⁄ 16 in) seed. The seeds of Acer palmatum and similar species require stratification in order to germinate. [9] [10]
The yellow flowers are androdioecious, produced in small pendent corymbs in spring, the fruit being a paired samara with two winged seeds about 1 cm long with a 3 cm wing. [ 4 ] [ 6 ] [ 7 ] Cultivation and uses
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The fruit is a samara, elliptical to ovate-elliptical, 10–13 mm long by 6–8 mm broad. [3] The samara is mostly glabrous, the seed at the centre or toward the apex, is borne on a stalk 1–3 mm in length; it matures rapidly and disperses by late autumn. The trunk has a handsome, flaking bark of mottled greys with tans and reds, giving rise ...
The fruit is a double samara with two winged seeds. the seeds are disc-shaped, strongly flattened, 10–15 mm (3 ⁄ 8 – 5 ⁄ 8 in) across and 3 mm (1 ⁄ 8 in) thick. The wings are 3–5 cm (1 + 1 ⁄ 4 –2 in) long, widely spread, approaching a 180° angle. It typically produces a large quantity of viable seeds.
The leaflets are ovate-lanceolate and acuminate, with 5 to 8 pairs of conspicuous secondary nerves. The fruit pod is a winged achene or samara that is nearly hairless and about 5 cm in diameter. The heartwood colour varies from light grey to deep reddish-brown, but this variation is unrelated to any differences in leaves or flowers.
A fruit cluster may contain hundreds of seeds. [7] The seeds borne on the female trees are 5 mm (0.2 in) in diameter and each is encapsulated in a samara that is 2.5 cm (1 in) long and 1 cm (0.4 in) broad, appearing July through August, but can persist on the tree until the next spring. [12]