Memoires du Museum d'Histoire Naturelle 1: 368. 1815

Common names: Water-poppy
Etymology: Greek hydro, water, and clavis, club-shaped, presumably from shape of pistils
Treatment appears in FNA Volume 22.
Stolons often present, terete. Leaves: submersed leaves phyllodia, (expanded petioles resembling and functioning like leaves), sessile; floating leaves long-petiolate, petioles terete, septate; blade orbiculate to oblong-lanceolate, base cordate [rounded], apex mucronate to obtuse. Inflorescences occasionally proliferating with stolons, leaves; scape septate; bracts subtending pedicel, distinct, elliptic to lanceolate, shorter than pedicel, delicate. Flowers: sepals persistent, erect, green, lanceolate, leathery, midvein absent [present], apex hoodlike; petals erect to spreading, yellow to white, orbiculate [oblong-obovate], longer than [shorter than] sepals; stamens in [1–]4–5 series, outer often sterile; pistils terete, linear-lanceoloid, attenuate into style, style curved inward, apex papillose. Fruits ± terete, linear-lanceoloid, membranous, dehiscing along adaxial margins. Seeds 50 or more, sparsely to densely glandular-pubescent.


North America, South America.


Species 5 (1 in the flora).

Facts about "Hydrocleys"
AuthorRobert R. Haynes +
AuthorityRichard +
Common nameWater-poppy +
DistributionNorth America + and South America. +
EtymologyGreek hydro, water, and clavis, club-shaped, presumably from shape of pistils +
Introducedtrue +
Publication titleMemoires du Museum d'Histoire Naturelle +
Publication year1815 +
Referencekenton1982a +
Source xmlhttps://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f50eec43f223ca0e34566be0b046453a0960e173/coarse grained fna xml/V22/V22 540.xml +
Taxon familyLimnocharitaceae +
Taxon nameHydrocleys +
Taxon parentLimnocharitaceae +
Taxon rankgenus +
VolumeVolume 22 +