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Saintpaulia ionantha H.Wendl. Saintpaulia kewensis C.B.Clarke. Saintpaulia tongwensis B.L.Burtt. Streptocarpus ionanthus ( synonym Saintpaulia ionantha) is a species of Streptocarpus in the section Saintpaulia, commonly known as an African violet. It is native to eastern and southwestern Tanzania. [2]
Saintpaulias, which grow from 6-15 cm tall, can be anywhere from 6-30 cm wide. The leaves are rounded to oval, 2.5-8.5 cm long with a 2-10 cm petiole, finely hairy, and have a fleshy texture. The flowers are 2-3 cm in diameter, with a five-lobed velvety corolla ("petals"), and grow in clusters of 3-10 or more on slender stalks called peduncles.
A cactus ( pl.: cacti, cactuses, or less commonly, cactus) [3] is a member of the plant family Cactaceae ( / kæˈkteɪsiaɪ, - siːiː / ), [a] a family comprising about 127 genera with some 1,750 known species of the order Caryophyllales. [4] The word cactus derives, through Latin, from the Ancient Greek word κάκτος ( káktos ), a name ...
Photosynthesis ( / ˌfoʊtəˈsɪnθəsɪs / FOH-tə-SINTH-ə-sis) [1] is a system of biological processes by which photosynthetic organisms, such as most plants, algae, and cyanobacteria, convert light energy, typically from sunlight, into the chemical energy necessary to fuel their activities.
Important structures in plant development are buds, shoots, roots, leaves, and flowers; plants produce these tissues and structures throughout their life from meristems [1] located at the tips of organs, or between mature tissues. Thus, a living plant always has embryonic tissues. By contrast, an animal embryo will very early produce all of the ...
Petrocosmea forrestii, leaf rosette. Petrocosmea is a genus of the family Gesneriaceae, the African violet family. Most of the species within this genus are endemic to high-altitude areas in Western China, [1] although some are native to other parts of Asia. [2] It is a rosette forming genus that generally grows on wet mossy rocks or forests.
Streptocarpus saxorum, called the false African violet, is a species of flowering plant in the genus Streptocarpus, subgenus Streptocarpella, native to Kenya and Tanzania. [3] [4] It is an evergreen perennial that often bears flowers nearly year-round. [4] Its "compact" variety has gained the Royal Horticultural Society 's Award of Garden Merit ...
The African Violet Society of America ( AVSA) is an international society of plant enthusiasts who promote the cultivation of African violets ( Streptocarpus sect. Saintpaulia species and cultivars) as house plants. The Society hosts an annual convention and publishes a bi-monthly full-color 64-page magazine, the African Violet Magazine.
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