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n. pl. hy·pan·thi·a (-thē-ə)
The ringlike, cup-shaped, or tubular structure of a flower on which the sepals, petals, and stamens are borne, as in the flowers of the rose or cherry. Also called floral cup.

[New Latin : hyp(o)- + Greek anthos, flower.]

hy·pan′thi·al adj.


n, pl -thia (-θɪə)
(Botany) the cup-shaped or flat receptacle of perigynous or epigynous flowers
[C19: from New Latin, from hypo- + Greek anthion a little flower, from anthos flower]
hyˈpanthial adj


(haɪˈpæn θi əm)

n., pl. -thi•a (-θi ə)
a cup-shaped or tubular body formed by the conjoined sepals, petals, and stamens of a flower.
[1850–55; < New Latin, =hyp- hyp- + anthium < Greek ánthion (ánth(os) flower + -ion diminutive suffix)]
hy•pan′thi•al, adj.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.hypanthium - the cuplike or ringlike or tubular structure of a flower which bears the sepals and stamens and calyx (as in Rosaceae)
plant organ - a functional and structural unit of a plant or fungus
References in periodicals archive ?
The other morphological characters mentioned by Anderson-the presence of caepitose, unsegmented globose stems (5), of an undifferentiated fertile zone (15), flowers open during the day (29), and a naked pericarpel (25)-have also appeared independently in other Cactoideae taxa.
However, two of them, round-to-flattened branches (7) and flowers open during the day (29), have been used as the key characters in defining this tribe, in conjunction with sunken areoles (16), a naked pericarpel (25), indehiscent fruits (30), and seeds with hilum/micropyle fused and a mucilage sheath present (58).
2013), the actinomorphic perianth with ray-like parts, the flowers to 40 cm long, and the pericarpels and floral tubes covered with scales, hairs, and spines.