corymb


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corymb

a type of RACEME in which the pedicals shorten towards the apex, as a result of which flowers occur at approximately the same level and produce a flat top.
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Inflorescence axillary and terminal, a pyramidal panicle with flowers ultimately borne in umbels or corymbs of 4-6, the congestion variable with the proximal pair often separated by up to 2 mm from the terminal cluster, the axes thinly golden- or brownish-sericeous; inflorescence axes often 2 or 3 in same axil, arrayed vertically; bracts 0.
Description: White, star-shaped flowers in tight racemes and corymb clusters at the top of leafless stems.
Inflorescences in racemes, spikes, corymbs or glomerules of triads, bracteates, axillary to terminal.
Unique Characteristics: Foliage is unique and distinctive; In autumn, small yellow flowers appear in branched corymbs.
Other inflorescence types like umbels, corymbs, and many panicles are also best cut at the half-open stage.
FLOWER DESCRIPTION: White, 1" to 1 1/2" across, borne in several-branched, flat-topped corymbs that are 6" or broader, the outer flowers being sterile.
FLOWER DESCRIPTION: White to rose with purple markings inside, 1" or more in large terminal corymbs.
FLOWER DESCRIPTION: White, 1/4" in multi-flower, rounded corymbs.
FLOWER DESCRIPTION: White, 1" long, appearing in small terminal corymbs in mid-spring and continuing into summer.
FLOWER DESCRIPTION: White, 1/4" across, borne in corymbs in late spring on previous season's growth.
FLOWER DESCRIPTION: White, 1/2" across, 20 stamens, anthers pink, borne in multi-flower corymbs in mid-spring, later than the other Hawthorns.
FLOWER DESCRIPTION: Yellow-green in peduncled corymbs in spring; NOT ORNAMENTAL.