View source for Guaiacum angustifolium

{{Treatment/ID
|accepted_name=Guaiacum angustifolium
|accepted_authority=Engelmann in F. A. Wislizenus
|publications={{Treatment/Publication
|title=Mem. Tour N. Mexico,
|place=113. 1848
|year=1848
}}
|common_names=Guayacán;soap-bush
|special_status={{Treatment/ID/Special_status
|code=F
|label=Selected by author to be illustrated
}}
|basionyms=
|synonyms={{Treatment/ID/Synonym
|name=Porlieria angustifolia
|authority=(Engelmann) A. Gray
}}
|hierarchy=Zygophyllaceae;Guaiacum;Guaiacum angustifolium
|hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Zygophyllaceae]]</div><div class="higher-taxon"><small>genus</small>[[Guaiacum]]</div><div class="higher-taxon"><small>species</small>[[Guaiacum angustifolium]]</div></div>
|volume=Volume 12
|mention_page=
|treatment_page=page 35
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Shrubs </b>or trees, to 3(–7) m; trunk well defined, to 0.3 m diam.; bark fissured vertically; branches many, spreading or straggling, knotty; crown diffuse. <b>Leaves</b> opposite or fascicled, 1–3 cm, folded at night and often also in heat of day; stipules persistent, subulate, 1 mm, apex acute, somewhat spinescent, glabrous; petiole absent or nearly so; leaflets 8–16, dark green, linear-oblong to linear-spatulate, 5–15 × 2–3 mm, apex obtuse, coriaceous, surfaces reticulate. <b>Pedicels</b> hairy. <b>Flowers</b> axillary, mostly solitary, sometimes clustered, 1.2–2 cm diam.; sepals (4–)5, obovate, to 5 mm, outer smaller; petals (4–)5, usually blue to purple, rarely white, obovate to elliptic, 6–10 × 2–3 mm, base short-clawed, apex often notched; stamens (8–)10, shorter than petals; filaments each with small crenate scale at base; ovary obcordiform, flattened, 2(–4)-lobed, 2(–4)-locular, hairy; style subulate. <b>Capsules</b> becoming orange, obcordiform, flattened, 10–20 mm diam., 2(–4)-lobed, 2(–4)-locular, ± 2(–4)-winged, apex abruptly attenuate-apiculate, reticulate, hairy. <b>Seeds</b> yellowish brown, ovoid to reniform, 10–11 mm.</span><!--

-->{{Treatment/Body
|phenology=Flowering Mar–Sep.
|habitat=Shrubby vegetation, limestone soils.
|elevation=0–1200 m.
|distribution=Tex.;Mexico (Chihuahua;Coahuila;Nuevo León;San Luis Potosí;Tamaulipas).
|discussion=<p><i>Guaiacum angustifolium</i> occurs in southern, central, and western Texas. The root bark is used as a source of soap, and root extracts are used in folk medicine to treat various diseases. The stems are used for fence posts, tool handles, and firewood.</p>
|tables=
|references=
}}<!--

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-->{{#Taxon:
name=Guaiacum angustifolium
|author=
|authority=Engelmann in F. A. Wislizenus
|rank=species
|parent rank=genus
|synonyms=Porlieria angustifolia
|basionyms=
|family=Zygophyllaceae
|phenology=Flowering Mar–Sep.
|habitat=Shrubby vegetation, limestone soils.
|elevation=0–1200 m.
|distribution=Tex.;Mexico (Chihuahua;Coahuila;Nuevo León;San Luis Potosí;Tamaulipas).
|reference=None
|publication title=Mem. Tour N. Mexico,
|publication year=1848
|special status=Selected by author to be illustrated
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/8f726806613d60c220dc4493de13607dd3150896/coarse_grained_fna_xml/V12/V12_988.xml
|genus=Guaiacum
|species=Guaiacum angustifolium
}}<!--

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