Difference between revisions of "Echinodorus floridanus"

R. R. Haynes & Burkhalter

Castanea 63: 180, fig. 1. 1998.

Treatment appears in FNA Volume 22.
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|elevation=0–10 m
 
|elevation=0–10 m
 
|distribution=Fla.
 
|distribution=Fla.
|discussion=<p>Echinodorus floridanus is a recently discovered taxon, known only from the type locality, which is within metropolitan Pensacola, Florida. The plants form a large colony that is bisected by a state highway. This species is by far the largest species of the genus in North America.</p><!--
+
|discussion=<p><i>Echinodorus floridanus</i> is a recently discovered taxon, known only from the type locality, which is within metropolitan Pensacola, Florida. The plants form a large colony that is bisected by a state highway. This species is by far the largest species of the genus in North America.</p><!--
 
--><p>Of conservation concern.</p>
 
--><p>Of conservation concern.</p>
 
|tables=
 
|tables=
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|publication year=1998
 
|publication year=1998
 
|special status=
 
|special status=
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/9216fc802291cd3df363fd52122300479582ede7/coarse_grained_fna_xml/V22/V22_83.xml
+
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/8f726806613d60c220dc4493de13607dd3150896/coarse_grained_fna_xml/V22/V22_83.xml
 
|genus=Echinodorus
 
|genus=Echinodorus
 
|species=Echinodorus floridanus
 
|species=Echinodorus floridanus

Revision as of 17:00, 18 September 2019

Herbs, perennial, stout, to 200 cm; rhizomes present. Leaves emersed; petiole 4–5-ridged, to 115 cm; blade with translucent markings dots and short distinct lines, absent in smaller leaves, elliptic to broadly ovate, 16–28 × 8–23 cm, base attentuate to cordate. Inflorescences panicles, of 4–9 whorls, each 9–16-flowered, erect, to 65 × 45 cm, not proliferating; peduncles ridged, to 131 cm; rachis 3–4-ridged; bracts distinct, lanceolate, 4–7 mm, coarse, margins coarse; pedicels spreading, 1.5–7.5 cm. Flowers 4 cm wide; sepals erect, 21-veined, veins not papillate; petals not clawed; stamens 21; anthers versatile; pistils ca. 200. Fruits oblanceolate, terete, 5-ribbed, not abaxially keeled, 2.5 × 0.6–1 mm; glands 4–5; beak terminal, 0.5 mm. Chromosome number unknown.


Phenology: Flowering summer–fall.
Habitat: Sandy soil at edge of broadleaf evergreen forest
Elevation: 0–10 m

Discussion

Echinodorus floridanus is a recently discovered taxon, known only from the type locality, which is within metropolitan Pensacola, Florida. The plants form a large colony that is bisected by a state highway. This species is by far the largest species of the genus in North America.

Of conservation concern.

Selected References

None.

Lower Taxa

None.