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Heliotropism, a form of tropism, is the diurnal or seasonal motion of plant parts (flowers or leaves) in response to the direction of the Sun. The habit of some plants to move in the direction of the Sun, a form of tropism, was already known by the Ancient Greeks. They named one of those plants after that property Heliotropium, meaning "sun turn".
Podocarpus (/ ˌ p oʊ d ə ˈ k ɑːr p ə s / [2]) is a genus of conifers, the most numerous and widely distributed of the podocarp family, the Podocarpaceae. Podocarpus species are evergreen shrubs or trees, usually from 1 to 25 m (3 to 82 ft) tall, known to reach 40 m (130 ft) at times.
Very deeply lobed with the lobes being very drawn out and often making the leaf look somewhat like a branch or a pitchfork laminar: 3-D shape: Flat (like most leaves) lanceolate: lanceolatus: whole leaf: Long, wider in the middle, shaped like a lance tip linear: linearis: whole leaf: Long and very narrow like a blade of grass lobed: lobatus ...
BBC Weather Watchers have been treated this week to red skies at night in the mornings - and unusual cloud formations. Lenticular clouds could be seen widely across Scotland over the past few days.
It's also a fantastic pollinator plant, thanks to its silvery white flowers. Native to the eastern U.S. and Canada, mountain mint (Pycnanthemum muticum) is part of the mint family (Lamiaceae) but ...
[5]: 99 Lemmon's draba, (Draba lemmonii), is hairy and mat forming, and covered in clusters of lemon yellow flowers that may look like patches of lichens from a distance, [4]: 224 since it grows in rock crevices and rock ledges. [5] [6]: 224 Its leaves are hairy, but are greener than the typical gray wooly leaves of many alpine plants.
The flowers are arranged in spikes on the ends of branches which continue to grow after flowering, sometimes also in the upper leaf axils. The spikes contain 5 to 18 groups of flowers in threes and are up to 40 mm (2 in) in diameter and 20–50 mm (0.8–2 in) long. The petals are about 3 mm (0.1 in) long and fall off as the flower ages.
Plants in the genus Casuarina are dioecious trees (apart from C. equisetifolia that is monoecious), with fissured or scaly greyish-brown to black bark. They have soft, pendulous, green, photosynthetic branchlets, the leaves reduced to scale-like leaves arranged in whorls of 5 to 20 around the branchlets.