Difference between revisions of "Ludwigia glandulosa subsp. brachycarpa"
PhytoKeys 145: 58. 2020.
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| − | |accepted_name=Ludwigia glandulosa subsp. | + | |accepted_name=Ludwigia glandulosa subsp. brachycarpa |
| − | |accepted_authority=I. Peng | + | |accepted_authority=C. I. Peng |
|publications={{Treatment/Publication | |publications={{Treatment/Publication | ||
|title=PhytoKeys | |title=PhytoKeys | ||
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| − | |hierarchy=Onagraceae;Onagraceae subfam. Ludwigioideae;Ludwigia;Ludwigia sect. Isnardia;Ludwigia glandulosa;Ludwigia glandulosa subsp. | + | |hierarchy=Onagraceae;Onagraceae subfam. Ludwigioideae;Ludwigia;Ludwigia sect. Isnardia;Ludwigia glandulosa;Ludwigia glandulosa subsp. brachycarpa |
| − | |hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Onagraceae]]</div><div class="higher-taxon"><small>subfamily</small>[[Onagraceae subfam. Ludwigioideae]]</div><div class="higher-taxon"><small>genus</small>[[Ludwigia]]</div><div class="higher-taxon"><small>section</small>[[Ludwigia sect. Isnardia]]</div><div class="higher-taxon"><small>species</small>[[Ludwigia glandulosa]]</div><div class="higher-taxon"><small>subspecies</small>[[Ludwigia glandulosa subsp. | + | |hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Onagraceae]]</div><div class="higher-taxon"><small>subfamily</small>[[Onagraceae subfam. Ludwigioideae]]</div><div class="higher-taxon"><small>genus</small>[[Ludwigia]]</div><div class="higher-taxon"><small>section</small>[[Ludwigia sect. Isnardia]]</div><div class="higher-taxon"><small>species</small>[[Ludwigia glandulosa]]</div><div class="higher-taxon"><small>subspecies</small>[[Ludwigia glandulosa subsp. brachycarpa]]</div></div> |
|volume=Volume 10 | |volume=Volume 10 | ||
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| − | name=Ludwigia glandulosa subsp. | + | name=Ludwigia glandulosa subsp. brachycarpa |
| − | |authority=I. Peng | + | |authority=C. I. Peng |
|rank=subspecies | |rank=subspecies | ||
|parent rank=species | |parent rank=species | ||
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|section=Ludwigia sect. Isnardia | |section=Ludwigia sect. Isnardia | ||
|species=Ludwigia glandulosa | |species=Ludwigia glandulosa | ||
| − | |subspecies=Ludwigia glandulosa subsp. | + | |subspecies=Ludwigia glandulosa subsp. brachycarpa |
}}<!-- | }}<!-- | ||
-->[[Category:Treatment]][[Category:Ludwigia glandulosa]] | -->[[Category:Treatment]][[Category:Ludwigia glandulosa]] | ||
Latest revision as of 14:14, 5 January 2023
Stems rarely reddish green, 10–55(–90) cm. Leaves: petiole 0–1 cm, blades linear-elliptic to linear, sometimes very narrowly elliptic, those on main axis 3–5(–7) × 0.3–0.5(–1) cm, those on branches 0.8–3.6 × 0.2–0.3(–0.8) cm. Inflorescences: brac-teoles attached at base of ovary, 0.4–0.8 × 0.1–0.2 mm. Flowers: sepals 1.1–1.9 × 1–1.8 mm, apex acute or short-acuminate; nectary disc obscurely, minutely papillose; style 0.4–0.8 mm, stigma 0.2–0.3 mm diam. Capsules obscurely 4-angled, 2–5 × 1.3–2 mm, pedicel 0–0.2 mm. Seeds 0.6–0.8 × 0.3–0.4 mm, surface cells elongate transversely to seed length.
Phenology: Flowering Apr–Nov.
Habitat: Ditches, low meadows, coastal prairies, seeps in sandy woods, moist sinkholes in granite outcrops, old clay fields.
Elevation: 0–200 m.
Distribution
La., Okla., Tex.
Discussion
Subspecies brachycarpa grows along the Gulf Coast from southwestern Louisiana to Nueces County, Texas, and more sporadically northward in eastern Texas to south-central Oklahoma.
Subspecies brachycarpa was published initially by Peng as a new combination based on Ludwigia cylindrica var. brachycarpa Torrey & A. Gray, not realizing that the variety was based on Jussiaea brachycarpa Lamarck, which Peng considered to be a synonym of L. glandulosa subsp. glandulosa. Therefore, subsp. brachycarpa is a new subspecies but was invalid when published by Peng since it was not accompanied by a Latin description in 1986; that situation has since been remedied.
Selected References
None.