hypogynous


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Related to hypogynous: perigynous

hypogynous

[‚hī′päj·ə·nəs]
(botany)
Having all flower parts attached to the receptacle below the pistil and free from it.
References in periodicals archive ?
The hypogynous calyx consists of five elongate persistent sepals at the base of a short stipe.
The pedicel is dispersed with fruit, revealing a prominent hypogynous thickened disk and persistent calyx lobes.
A scar and/or remains of hypogynous perianth is situated at the junction of pedicel and fruit.
The fruits are shed with, or without, the narrow pedicel and persistent hypogynous perianth.
The style base (and/or two stylar arms), and hypogynous perianth may persist.
Polygonaceae The fruit type in this family is an achene, and the wings, when present, generally develop from part of the hypogynous perianth (Fedotov, 1991; Brandbyge, 1993; Ronse Decraene et al.
The hypogynous perianth persists in fruit with two smaller segments basally recurved and three others enlarged and coalescent with the achenes.
The hypogynous calyx has six sepals; the three outer ones remain unchanged near the base of the fruit, while the three inner ones mostly develop into the fruit wings which may be entire, dentate, or fringed with spiny teeth (Britton & Brown, 1913).
The fruits have a persistent hypogynous calyx and a moderately thick pedicel.
The thickened area at junction of the fruit with pedicel, bearing scars of the hypogynous perianth and floral disk, beneath a very short stipe (Fig.
Also, hypogynous bristles are present in Paniculatae and mostly absent in the other two sections.
While morphological characteristics unique to Pleurostachys include distichous spikelet scales and hypogynous bristles that are flattened and have distal pubescence, there are other characteristics that are also found in Rhynchospora.