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In botany, a stoma (pl.: stomata, from Greek στόμα, "mouth"), also called a stomate (pl.: stomates), is a pore found in the epidermis of leaves, stems, and other organs, that controls the rate of gas exchange between the internal air spaces of the leaf and the atmosphere.
The leaf and stem epidermis is covered with pores called stomata (sing; stoma), part of a stoma complex consisting of a pore surrounded on each side by chloroplast-containing guard cells, and two to four subsidiary cells that lack chloroplasts. The stomata complex regulates the exchange of gases and water vapor between the outside air and the ...
Arbutus is a genus of 12 accepted species [2] of flowering plants in the family Ericaceae, [3] native to temperate regions of the Mediterranean, western Europe, the Canary Islands and North America, and commonly called madrones [4] or strawberry trees.
Poisonous berries. In autumn, the lower ring of (female) flowers forms a cluster of bright red, berries up to 5 cm long [5] which remain after the spathe and other leaves have withered away. These attractive red to orange berries are extremely poisonous. The root-tuber may be very big and is used to store starch. In mature specimens, the tuber ...
Here, you’ll find 30 types of berries to enjoy raw, in baked goods, jams, ... Red raspberry leaf tea is touted to strengthen the uterus, ... Also called Peruvian groundcherries, ...
The stem is usually red late in the season. There is an upright, erect central stem early in the season, which changes to a spreading, horizontal form later with the weight of the berries. The plant dies back to the roots each winter. The stem has a chambered pith. Leaves: The leaves are alternate with coarse texture with moderate porosity ...
In fruit, Twisted Stalk is easily identified by its large, juicy red berries which grow from each leaf axil and are highly visible, even in the thickest undergrowth, as they boldly contrast with the surrounding foliage. Large, juicy red berries grow from each leaf axil (Mount Rainier National Park). Streptopus amplexifolius - MHNT
Cladode – a flattened stem that performs the function of a leaf; an example is the pad of the opuntia cactus. Cladophyll – a flattened stem that is leaf-like and green – used for photosynthesis. Normally such plants have no, or greatly reduced, leaves. Climbing – typically long stems that cling to other objects.