Difference between revisions of "Hylocereus undatus"
in N. L. Britton, Fl. Bermuda, 256. 1918.
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|elevation=0-50 m | |elevation=0-50 m | ||
|distribution=Fla.;Mexico;West Indies;Central America;n South America. | |distribution=Fla.;Mexico;West Indies;Central America;n South America. | ||
| − | |discussion=<p>Hylocereus undatus is sporadically naturalized in tropical and subtropical regions worldwide where it is cultivated for its large, edible fruits and beautiful flowers, which are among the largest in the cactus family. In Florida, H. undatus has escaped from cultivation in nine counties, forming large colonies in some areas. Individuals of this species grow prolifically and may soon overrun their substrate. Whether populations of H. undatus in the United States are merely persisting or are also reproducing sexually remains unclear.</p><!-- | + | |discussion=<p><i>Hylocereus undatus</i> is sporadically naturalized in tropical and subtropical regions worldwide where it is cultivated for its large, edible fruits and beautiful flowers, which are among the largest in the cactus family. In Florida, <i>H. undatus</i> has escaped from cultivation in nine counties, forming large colonies in some areas. Individuals of this species grow prolifically and may soon overrun their substrate. Whether populations of <i>H. undatus</i> in the United States are merely persisting or are also reproducing sexually remains unclear.</p><!-- |
--><p>The vernacular name night-blooming cereus has been applied to several genera of cacti with large, nocturnal flowers.</p> | --><p>The vernacular name night-blooming cereus has been applied to several genera of cacti with large, nocturnal flowers.</p> | ||
|tables= | |tables= | ||
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|publication year=1918 | |publication year=1918 | ||
|special status= | |special status= | ||
| − | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/ | + | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/8f726806613d60c220dc4493de13607dd3150896/coarse_grained_fna_xml/V4/V4_335.xml |
|subfamily=Cactaceae subfam. Cactoideae | |subfamily=Cactaceae subfam. Cactoideae | ||
|genus=Hylocereus | |genus=Hylocereus | ||
Revision as of 17:27, 18 September 2019
Plants sprawling or clambering over rocks, shrubs, and trees. Stems usually sharply 3-angled, to 500+ × 4–7.5 cm; ribs with undulate margins and gray, hornlike bark; areoles 2 mm diam. Spines 1–4 per areole, brownish gray, inconspicuous. Flowers fragrant; outer tepals white, outermost strongly reflexed, midstripes yellowish green; inner tepals white, broad, oblanceolate; filaments 50–75 mm; style cream, 175–200 mm. Fruits spheric to oblong. Seeds 2 × 1 mm. 2n = 22.
Phenology: Flowering year-round.
Habitat: Disturbed sites in sandy soils [tropical deciduous and semideciduous forests]
Elevation: 0-50 m
Distribution
Fla., Mexico, West Indies, Central America, n South America.
Discussion
Hylocereus undatus is sporadically naturalized in tropical and subtropical regions worldwide where it is cultivated for its large, edible fruits and beautiful flowers, which are among the largest in the cactus family. In Florida, H. undatus has escaped from cultivation in nine counties, forming large colonies in some areas. Individuals of this species grow prolifically and may soon overrun their substrate. Whether populations of H. undatus in the United States are merely persisting or are also reproducing sexually remains unclear.
The vernacular name night-blooming cereus has been applied to several genera of cacti with large, nocturnal flowers.
Selected References
None.