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Cactus flowers usually have many stamens, but only a single style, which may branch at the end into more than one stigma. The stamens usually arise from all over the inner surface of the upper part of the floral tube, although in some cacti, the stamens are produced in one or more distinct "series" in more specific areas of the inside of the ...
The roots are fibrous or bulbous. The plants reach heights of growth between 1 and 60 centimeters. On the tips of the 4 to 26 ribs, which are mostly clear and only rarely resolved into humps, are the areoles, from which differently shaped spines can arise. A distinctive characteristic and likely synapomorphy of the genus is the erumpent flowers ...
The flower buds are blunt shaped. [5] The flowers are fragrant highly variable in color, the colored inner tepals (casually called petals) coming in white, pink, magenta, yellow, or yellow-green. [7] [3] The size of the flowers of Pediocactus simpsonii ranges from 1.2–3 centimeters across and 1–2.5 centimeters in depth. [3]
Echinocereus dasyacanthus plants are usually found with a single stem or 2–3 basal branches. Though it is not uncommon to find plants with 3–10 stems. The stems of Texas rainbow cactus are between 11–24 cm long and 5.5–7 cm wide and usually have 15–18 ribs. The spines usually overlap making the stem not visible.
Echinocereus viridiflorus is a species of cactus known by the common names nylon hedgehog cactus, green pitaya, and small-flowered hedgehog cactus.It is native to the central and south-central United States and northern Mexico, where it can be found in varied habitat types, including desert scrub, woodlands, dry grasslands, and short-grass prairie.
The typical habitat is hot and very arid, and the plants have adapted to exploit water movement to concentrate their biomass in areas where water is likely to be present. Like Sclerocactus , Ferocactus typically grow in areas where water flows irregularly or depressions where water can accumulate for short periods of time.
Rat tail cactus has long trailing stems and pretty pink flowers, so it's a fun addition to any houseplant collection. It's actually a succulent. Give it bright, indirect light, and water when ...
The development of the areole seems to have been an important element in the adaptation of cacti to niches in desert ecology. Some of the Opuntioideae have spines, as well as glochids, on their areoles; some have only glochids. Structurally, the glochids seem to be bristles rather than evolved leaves [citation needed]. They are detachable and ...