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Its leaves are alternate and compound with three leaflets, dotted with oil glands. The leaflets are sessile, ovate or oblong, 3–5 in (7.6–12.7 cm) long by 2–3 in (5.1–7.6 cm) broad, pointed at the base, entire or serrate, and gradually pointed at the apex. They are feather-veined, with a prominent midrib and primary veins.
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The style is variable in length, from less than 0.5 mm (subsessile stigma) to more than 30 cm in certain varieties of maize, which is known as corn silk. It is usually borne at the apex of the ovary, but may be lateral or apparently borne at the base (gynobasic style). [20] From the anatomical point of view, the style can be solid or hollow.
Arranged in loose panicles above the leafy stems, the capitula are 3–3.5 cm (1 + 1 ⁄ 4 – 1 + 1 ⁄ 2 in) in diameter. Each has 8–18 orange-yellow ray florets, 6–15 millimetres (1 ⁄ 4 – 9 ⁄ 16 in) in length, [2] and yellow or purple-brown disc florets. The fruit measures 3–6 mm (1 ⁄ 8 – 1 ⁄ 4 in) and no pappus is visible. [3]
The leaves are flat linear, 3–8 cm (1.2–3.1 in) long and 2–5 mm (0.079–0.197 in) broad. They are arranged spirally on the shoot but twisted at the base to appear in two or four flattened ranks. As the leaves mature, they develop from bright lime-green to a more yellowish-green. [8]
Christen C. Raunkiaer proposed using leaf size as a relatively easy measurement that could be used to compare the adaptation of a plant community to dryness.. We have for a long time been aware of a series of different adaptations in the structure of plants enabling them to endure excessive evaporation, and thus allowing them to live in place where the environment determines intense ...
[3] [6] Yucca rupicola forms colonies of rosettes, lacking trunks above-ground but producing a branched caudex under the surface. Leaves are narrowly lanceolate, slightly succulent, twisted, up to 60 cm long but about 40 mm wide at its widest point. Flowers are pendant (drooping), bell-shaped, white or greenish. Fruit is a dry capsule up to 6 ...
Haworthias are small succulent plants, forming rosettes of leaves from 3 cm (1.2 in) to exceptionally 30 cm (12 in) in diameter, depending on the species. These rosettes are usually stemless but in some species stems reach up to 50 cm (20 in). The inflorescences of some species may exceed 40 cm (16 in) in height.