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Washingtonia robusta, known by common name as the Mexican fan palm, Mexican washingtonia, or skyduster is a palm tree native to the Baja California peninsula and a small part of Sonora in northwestern Mexico. Despite its limited native distribution, W. robusta one of the most widely cultivated subtropical palms in the world. [3]
Palmyra palms are economically useful and widely cultivated, especially in South Asia and Southeast Asia. The palmyra palm has long been one of the most important trees of Cambodia and India, where it has over 800 uses. The leaves are used for thatching, mats, baskets, fans, hats, and umbrellas, and as writing material.
The fronds are up to 4 m (13 ft) long, made up of a thorned petiole up to 2 m (6.6 ft) long, bearing a fan of leaflets 1.5–2.0 m (4.9–6.6 ft) long. They have long, thread-like, white fibers, and the petioles are pure green with yellow edges and filifera-filaments, between the segments. The trunk is gray and tan, and the leaves are gray green.
Between 12 and 30 glossy mid- to dark-green leaves emerge from its crown, each reaching 1.2 to 2.2 metres (3 ft 11 in to 7 ft 3 in) long and bearing 92–150 pinnae. [4] The leaves are palm-like, each frond having a thickened mid-rib with the pinnae evenly arranged at either side. [5] The flowering period occurs between September and October. [2]
Nīkau grow up to 15 m tall, with a stout, green trunk which bears grey-green leaf scars. The trunk is topped by a smooth, bulging crownshaft up to 1 m long. The fronds are up to 3 m long, and the closely set, sometimes overlapping leaflets are up to 1m long. The inflorescence is multibranched and from 20 to 40 cm long.
Syagrus romanzoffiana, the queen palm, [7] cocos palm or Jerivá, is a palm native to South America, introduced throughout the world as a popular ornamental garden tree. S. romanzoffiana is a medium-sized palm, quickly reaching maturity at a height of up to 15 m (49 ft) tall, with pinnate leaves having as many as 494 pinnae (), although more typically around 300, each pinna being around 50 ...
Each leaf is 140–190 cm (4 ft 7 in – 6 ft 3 in) long, with the petiole 60–100 cm (2 ft 0 in – 3 ft 3 in) long, and the leaflets up to 90 cm (2 ft 11 in) long. It is a somewhat variable plant, especially as regards its general appearance; and some specimens are to be seen with leaf segments having straight and others having drooping tips.
It is a fan palm (Arecaceae tribe Corypheae), and as such, has leaves with petioles terminating in rounded fans of 10–20 leaflets. Each leaf is up to 1.5 m (5 ft) long, with leaflets 50–80 cm (20–30 in) long. The petioles are armed with numerous sharp, needle-like spines; these may protect the stem growing point from browsing animals.