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Determinate simple inflorescences are generally called cymose. The main kind of cymose inflorescence is the cyme (pronounced / s aɪ m /), from the Latin cyma in the sense 'cabbage sprout', from Greek kuma 'anything swollen'). [9] [10] Cymes are further divided according to this scheme: Only one secondary axis: monochasium
adj. cymose. A type of inflorescence in which the main axis and all lateral branches end in a flower (each lateral may be repeatedly branched). cymose Having a cyme or cymes. cypsela A type of dry, one-seeded, indehiscent fruit formed from an inferior ovary
They usually present floral nectarys and the secretion of nectar comes from the perigonium or gynoecium, usually in the septa of the ovary. [32] [33] The flowers are arranged in cymose inflorescences at the apex of a scape, sometimes compressed and umbel-like, and are thus called "pseudoumbels". They are rarely reduced to solitary flowers.
This inflorescence of the terrestrial orchid Spathoglottis plicata shows indeterminate growth; note that the opening of flowers and production of fruits is proceeding upwards on the shoot. Cymose determinate inflorescences a. Myosotis b. Cerastium (dichasium) c. Sedum (scorpioid cyme) d. Scirpus lacustris (compound cyme) e. Dianthus (fascicle) f.
The bicolor unit consists of an ordered inflorescence with determinate cymose structures. The inflorescence can branch off the main axis, creating separate orders of the flowers, with the main axis developing first. Bracts on the peduncle subtend axillary buds that become these lateral stalks. One bract within this whorl is a sterile bract.
There is a glandular disk at the base of the gynoecium, and flowers have parietal placentation. The inflorescence is cymose, with simple or complex cymes. The fruits are dehiscent septicidal capsules splitting into two halves, rarely some species have a berry. Seeds are small with copiously oily endosperms and a straight embryo.
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Corymb is a botanical term for an inflorescence with the flowers growing in such a fashion that the outermost are borne on longer pedicels than the inner, bringing all flowers up to a common level. A corymb has a flattish top with a superficial resemblance towards an umbel , and may have a branching structure similar to a panicle .