View source for Kallstroemia hirsutissima

{{Treatment/ID
|accepted_name=Kallstroemia hirsutissima
|accepted_authority=Vail ex Small
|publications={{Treatment/Publication
|title=Fl. S.E. U.S.,
|place=670, 1333. 1903
|year=1903
}}
|common_names=Carpet weed
|basionyms=
|synonyms=
|hierarchy=Zygophyllaceae;Kallstroemia;Kallstroemia hirsutissima
|hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Zygophyllaceae]]</div><div class="higher-taxon"><small>genus</small>[[Kallstroemia]]</div><div class="higher-taxon"><small>species</small>[[Kallstroemia hirsutissima]]</div></div>
|volume=Volume 12
|mention_page=page 39, 41
|treatment_page=page 40
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Herbs,</b> annual. <b>Stems</b> prostrate, to 0.7 m, copiously sericeous and hirsute with white or gray antrorse hairs. <b>Leaves</b> obovate in outline, 1–4 × 2–4 cm, copiously and conspicuously hairy; stipules 3–6 × 1 mm; leaflets 6–8, broadly elliptic to oblong-ovate or broadly ovate, 12–19 × 5–11 mm, terminal pair largest, surfaces densely hirsute, veins and margins sericeous. <b>Pedicels</b> 5–12 mm in flower and fruit, shorter than subtending leaves, thickened distally, curved or straight. <b>Flowers</b> 5–9 mm diam.; sepals persistent, subulate, 2.5–4 × 1 mm, as long as petals, in flower as long as style, in fruit clasping mature fruit body and 1/2 as long, only scarious margins becoming involute, hirsute, sparingly strigose; petals marcescent, 1-colored, yellow, fading white or orange, obovate, 2–4 × 1.5 mm; stamens as long as style; anthers yellow, ovoid, less than 1 mm; ovary globose, 1 mm diam., hairy; style broadly conic, 0.3–0.5 mm, 1/3–1/2 as long as ovary, hairy; stigma terminal, appearing almost sessile on ovary. <b>Schizocarps</b> broadly ovoid, 4–5 × 6–8 mm, strigillose; beak conic, 1–4 mm, shorter than fruit body, base broadly conic, hirsute; mericarps 4 × 1 mm, abaxially tuberculate, all tubercles rounded, less than 1 mm, sides pitted, adaxial edge angled.</span><!--

-->{{Treatment/Body
|phenology=Flowering Jun–Oct, following summer rains.
|habitat=Desert scrub, semiarid grasslands.
|elevation=0–1700 m.
|distribution=Ariz.;N.Mex.;Tex.;Mexico (Chihuahua;Coahuila;Nuevo León;San Luis Potosí;Tamaulipas).
|discussion=<p><i>Kallstroemia hirsutissima</i> is restricted to the Chihuahuan Desert and adjacent grasslands, mainly at higher elevations. The spreading, copiously hairy stems form a dense carpetlike mat. The species is reported to poison cattle, goats, and sheep (J. M. Kingsbury 1964).</p>
|tables=
|references=
}}<!--

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-->{{#Taxon:
name=Kallstroemia hirsutissima
|authority=Vail ex Small
|rank=species
|parent rank=genus
|synonyms=
|basionyms=
|family=Zygophyllaceae
|phenology=Flowering Jun–Oct, following summer rains.
|habitat=Desert scrub, semiarid grasslands.
|elevation=0–1700 m.
|distribution=Ariz.;N.Mex.;Tex.;Mexico (Chihuahua;Coahuila;Nuevo León;San Luis Potosí;Tamaulipas).
|reference=None
|publication title=Fl. S.E. U.S.,
|publication year=1903
|special status=
|source xml=https://bibilujan@bitbucket.org/aafc-mbb/fna-data-curation.git/src/bb6b7e3a7de7d3b7888a1ad48c7fd8f5c722d8d6/coarse_grained_fna_xml/V12/V12_739.xml
|genus=Kallstroemia
|species=Kallstroemia hirsutissima
}}<!--

-->[[Category:Treatment]][[Category:Kallstroemia]]