View source for Stellaria americana

{{Treatment/ID
|accepted_name=Stellaria americana
|accepted_authority=(Porter ex B. L. Robinson) Standley
|publications={{Treatment/Publication
|title=Contr. U. S. Natl. Herb.
|place=22: 336. 1921
|year=1921
}}
|common_names=American starwort
|special_status={{Treatment/ID/Special_status
|code=E
|label=Endemic
}}
|basionyms={{Treatment/ID/Basionym
|name=Stellaria dichotoma var. americana
|authority=Porter ex B. L. Robinson
|rank=variety
|publication_title=Proc. Amer. Acad. Arts
|publication_place=29: 289. 1894
}}
|synonyms={{Treatment/ID/Synonym
|name=Alsine americana
|authority=(Porter ex B. L. Robinson) Rydberg
|rank=species
}} {{Treatment/ID/Synonym
|name=Arenaria stephaniana var. americana
|authority=(Porter ex B. L. Robinson) Shinners
|rank=variety
}}
|hierarchy=Caryophyllaceae;Caryophyllaceae subfam. Alsinoideae;Stellaria;Stellaria americana
|hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Caryophyllaceae]]</div><div class="higher-taxon"><small>subfamily</small>[[Caryophyllaceae subfam. Alsinoideae]]</div><div class="higher-taxon"><small>genus</small>[[Stellaria]]</div><div class="higher-taxon"><small>species</small>[[Stellaria americana]]</div></div>
|volume=Volume 5
|mention_page=page 96, 99
|treatment_page=page 100
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Plants </b>perennial, forming loose, prostrate mats, from rhizomatous rootstocks. <b>Stems</b> spreading, branched, very leafy, 4-angled, 10–20 cm, short glandular-puberulent on internodes. <b>Leaves</b> sessile; blade ovate to ovate-lanceolate, widest at or above middle, 8–30 × 2–13 mm, base round to cuneate, margins not scarious, apex usually obtuse, viscid. <b>Inflorescences</b> terminal, 1–5-flowered, very leafy cymes; bracts foliaceous. <b>Pedicels</b> ca. 10 mm in flower, elongating, recurved, and tortuous in fruit, glandular-pubescent, pushing capsule into substrate. <b>Flowers</b> 5–10 mm; sepals 5, obscurely veined, ovate-obtuse, 3–5 mm, margins narrow, scarious, glandular-pubescent; petals 5, 4–6 mm; stamens 5; styles 3, ascending, equaling petals. <b>Capsules</b> green to straw colored, broadly ovoid to globose, 5–6 mm, apex obtuse, tardily dehiscent with 3 valves; carpophore absent. <b>Seeds</b> 3–6, rusty brown, ± ovate, ca. 2.5 mm diam., finely tuberculate.</span><!--

-->{{Treatment/Body
|phenology=Flowering late Jul–Aug.
|habitat=Rocky slopes, talus
|elevation=1400-2800 m
|distribution=Alta.;Mont.
|discussion=<p><i>Stellaria americana</i> is remarkable for its tortuous fruiting pedicels, which push the opening capsule with its small number of large seeds into the substrate.</p>
|tables=
|references=
}}<!--

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-->{{#Taxon:
name=Stellaria americana
|authority=(Porter ex B. L. Robinson) Standley
|rank=species
|parent rank=genus
|synonyms=Alsine americana;Arenaria stephaniana var. americana
|basionyms=Stellaria dichotoma var. americana
|family=Caryophyllaceae
|phenology=Flowering late Jul–Aug.
|habitat=Rocky slopes, talus
|elevation=1400-2800 m
|distribution=Alta.;Mont.
|reference=None
|publication title=Contr. U. S. Natl. Herb.
|publication year=1921
|special status=Endemic
|source xml=https://bibilujan@bitbucket.org/aafc-mbb/fna-data-curation.git/src/bb6b7e3a7de7d3b7888a1ad48c7fd8f5c722d8d6/coarse_grained_fna_xml/V5/V5_205.xml
|subfamily=Caryophyllaceae subfam. Alsinoideae
|genus=Stellaria
|species=Stellaria americana
}}<!--

-->[[Category:Treatment]][[Category:Stellaria]]