corymb

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Related to corymbs: thyrse, Racemes, Panicles

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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Inflorescences in sessile corymbs of axillary triads, 1 per axil, 4-5 cm in length, with 3-4 pairs of triads per inflorescence, axis of inflorescence angular, bracts ovate.
It is readily distinguished from those species, and from all other species of Heteropterys, by the following combination of characters: small nearly glabrous leaves with large glands on the abaxial surface (not on the margin), epipetiolar stipules, umbels or corymbs of 4-6 flowers, well-developed peduncles with the bracteoles borne near the base, and tiny greenish petals.
Description: Flat-headed, yellow corymb flowers over a feathery foliage.
Nevertheless I succeeded in finding it about eight miles west of the Falls; touched it and smelled it, and secured a lingering corymb of flowers for my herbarium.
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.
FLOWER DESCRIPTION: Yellow to greenish-yellow, 1/2", appearing in small corymbs, mostly monoecious and perfect, appearing in early spring before the leaves.
FLOWER DESCRIPTION: Greenish-yellow, 1/2" in small, pendulous corymbs, appearing in spring before the leaves; NOT GREATLY NOTICEABLE.