familyLimnocharitaceae
genusHydrocleys
speciesHydrocleys nymphoides

Hydrocleys nymphoides

(Willdenow) Buchenau

Abhandlungen herausgegeben vom naturwissenschaftlichen Vereine zu Bremen 2: 2.1869; Index Crit. Butom. Alism. Juncagin., 2, 1868.

Robert R. Haynes
Common names: Water-poppy
IntroducedIllustrated
Basionym: Stratiotes nymphoides Willdenow Sp. Pl. 4(2): 821. 1806
Treatment appears in FNA Volume 22.
Please click on the illustration for a higher resolution version.
Illustrator:

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Herbs, to 50 cm; stolons to 45 cm. Leaves: petioles 1.5–40 cm × 0.9–9 mm, sheathing base to 8.5 cm; blade broadly ovate to orbiculate, 1.4–11.9 × 0.9–10.6 cm, veins 5–9. Inflorescences with 1–6 flowers, proliferating with stolons, leaves; peduncles to 30 cm × 1.5–6 mm; bracts elliptic, 2–4.5 × 0.4–1 cm, apex obtuse; pedicels spreading, 3.5–17.5 cm × 1.5–6 mm. Flowers ca. 6.5 cm wide; sepals 13–28 × 7–13 mm; petals spreading, pale-yellow to white with yellow base, 2.3–2.6 × 3.8–4.1 cm; stamens 20–25; staminodes 20+; pistils 5–8, 10 mm. Fruits 10–14.5 × 2–3.5 mm; beak 3.5–5.5 mm. Seeds ca. 1 mm, sparsely glandular-pubescent, glandular trichomes 0.15 mm, 150–200 m apart, not present on every epidermal-cell of seed-coat.


Phenology: Flowering summer.
Habitat: Margins of lakes and wet ditches
Elevation: 0–100 m

Distribution

V22 17-distribution-map.jpg

Introduced; Fla., Tex., Central America, South America

Discussion

Hydrocleys nymphoides is cultivated, either in aquaria or in pools and ponds (D. S. Correll and M. C. Johnston 1970; R. K. Godfrey and J. W. Wooten 1979). The species apparently persists following cultivation or dumping of aquaria.

Selected References

Correll, D. S. and M. C. Johnston. 1970. Manual of the Vascular Plants of Texas. Renner, Tex.

Godfrey, R. K. and J. W. Wooten. 1979. Aquatic and Wetland Plants of Southeastern United States: Monocotyledons. Athens, Ga.

Muenscher, W. C. 1944. Aquatic Plants of the United States. Ithaca, N.Y.

Thieret, J. W. 1972. Aquatic and marsh plants of Louisiana: A checklist. J. Louisiana Soc. Hort. Res. 13: 1--45.

Lower Taxa

None.
... more about "Hydrocleys nymphoides"
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Anther architecture
4-loculed +
Anther dehiscence
dehiscing +
Apex relief
papillose +
Apex shape
obtuse +
Author
Robert R. Haynes +
Authority
(Willdenow) Buchenau +
Basal lobe architecture or coloration or relief
reticulate +
Basal lobe presence
absent +
Base architecture or shape
sheathing +
Base coloration
yellow +
Base shape
cordate +
Basionyms
Stratiotes nymphoides +
Beak some measurement
0.35 cm3.5 mm <br />0.0035 m <br /> (0.55 cm5.5 mm <br />0.0055 m <br />) +
Blade length
1.4 cm14 mm <br />0.014 m <br /> (11.9 cm119 mm <br />0.119 m <br />) +
Blade shape
broadly ovate;orbiculate +
Blade width
0.9 cm9 mm <br />0.009 m <br /> (10.6 cm106 mm <br />0.106 m <br />) +
Bract arrangement or shape
elliptic +
Bract fragility
delicate +
Bract fusion
distinct +
Bract height or length or size
shorter +
Bract length
2 cm20 mm <br />0.02 m <br /> (4.5 cm45 mm <br />0.045 m <br />) +
Bract shape
elliptic;lanceolate +
Bract width
0.4 cm4 mm <br />0.004 m <br /> (1 cm10 mm <br />0.01 m <br />) +
Common name
Water-poppy +
Distribution
Fla. +, Tex. +, Central America +  and South America +
Elevation
0–100 m +
Embryo shape
u--shaped +
Endosperm presence
absent +
Flower architecture
pedicellate +
Flower position
hypogynous +
Flower quantity
1;6 +
Flower reproduction
bisexual +
Flower width
6.5 cm65 mm <br />0.065 m <br /> (?) +
Fruit dehiscence
dehiscing +
Fruit length
1 cm10 mm <br />0.01 m <br /> (1.45 cm14.5 mm <br />0.0145 m <br />) +
Fruit shape
linear-lanceoloid +  and terete +
Fruit texture
membranous +
Fruit width
0.2 cm2 mm <br />0.002 m <br /> (0.35 cm3.5 mm <br />0.0035 m <br />) +
Glandular trichome arrangement
apart +
Glandular trichome some measurement
150m +  and 200m +
Habitat
Margins of lakes and wet ditches +
Illustration
Present +
Inflorescence architecture
bracteate +
Inflorescence growth form or location
floating +
Inflorescence life cycle
proliferating +
Introduced
true +
Leaf architecture
long-petiolate +  and sessile +
Leaf architecture or shape
sheathing +
Leaf growth form or location
floating +
Leaf location
submersed +
Leaf position
basal +
Leaves phyllodium location
submersed +
Marking coloration or reflectance
translucent +
Marking presence
absent +
Midvein presence
absent +
Number of lower taxa
0 +
Outer series reproduction
sterile +
Ovule quantity
50 +
Pedicel length
3.5 cm35 mm <br />0.035 m <br /> (17.5 cm175 mm <br />0.175 m <br />) +
Pedicel orientation
spreading +
Pedicel width
1.5mm;6mm +
Peduncle length
0 cm0 mm <br />0 m <br /> (30 cm300 mm <br />0.3 m <br />) +
Peduncle width
0.15 cm1.5 mm <br />0.0015 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
Petal coloration
pale-yellow;white +
Petal duration
deciduous +
Petal fragility
delicate +
Petal length
2.3cm;2.6cm +
Petal length or size
longer +
Petal orientation
spreading +
Petal quantity
3 +
Petal shape
orbiculate +
Petal width
3.8 cm38 mm <br />0.038 m <br /> (4.1 cm41 mm <br />0.041 m <br />) +
Petiole architecture
septate +
Petiole length
1.5 cm15 mm <br />0.015 m <br /> (40 cm400 mm <br />0.4 m <br />) +
Petiole shape
terete +
Petiole width
0.09 cm0.9 mm <br />9.0e-4 m <br /> (0.9 cm9 mm <br />0.009 m <br />) +
Phenology
Flowering summer. +
Pistil architecture
1-loculed +
Pistil atypical quantity
3 (10) +
Pistil fusion
coherent +
Pistil placentation
laminar +
Pistil quantity
10;12 +
Pistil shape
attenuate +, linear-lanceoloid +  and terete +
Pistil some measurement
10 cm100 mm <br />0.1 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
Primary-vein arrangement
parallel +
Publication title
Abhandlungen herausgegeben vom naturwissenschaftlichen Vereine zu Bremen +
Publication year
1868 +
Reference
correll1970a +, godfrey1979a +, muenscher1944a +  and thieret1972a +
Root architecture
not septate +
Sap coloration
milky +
Scape architecture
septate +
Secondary-vein architecture or coloration or relief
reticulate +
Seed life cycle
mature +
Seed pubescence
glandular-pubescent +
Seed quantity
50 +
Seed some measurement
1 cm10 mm <br />0.01 m <br /> (?) +
Sepal coloration
green +
Sepal duration
persistent +
Sepal length
? (?) +
Sepal orientation
erect +
Sepal quantity
3 +
Sepal shape
lanceolate +
Sepal texture
leathery +
Sepal width
0.7 cm7 mm <br />0.007 m <br /> (1.3 cm13 mm <br />0.013 m <br />) +
Series atypical quantity
1 (4) +
Series quantity
4;5 +
Source xml
https://bibilujan@bitbucket.org/aafc-mbb/fna-fine-grained-xml.git/src/62857cf6bca5c4637d27b113da92d27dbf9962f4/V22/V22 17.xml +
Special status
Introduced +  and Illustrated +
Stamen atypical quantity
6 (20) +
Stamen fusion
distinct +
Stamen quantity
20;25 +
Stolon presence
absent +
Stolon shape
terete +
Stolon some measurement
0 cm0 mm <br />0 m <br /> (45 cm450 mm <br />0.45 m <br />) +
Style course
curved +
Taxon family
Limnocharitaceae +
Taxon name
Hydrocleys nymphoides +
Taxon parent
Hydrocleys +
Taxon rank
species +
Umbel architecture
scapose +
Vein quantity
5 (9) +
Volume
Volume 22 +
Whole organism architecture
caulescent +, stoloniferous +  and rhizomatous +
Whole organism duration
perennial +
Whole organism growth form
herb +
Whole organism pubescence
glabrous +
Whole organism some measurement
0cm (50cm) +