View source for Polygala alba

{{Treatment/ID
|accepted_name=Polygala alba
|accepted_authority=Nuttall
|publications={{Treatment/Publication
|title=Gen. N. Amer. Pl.
|place=2: 87. 1818
|year=1818
}}
|common_names=White milkwort
|basionyms=
|synonyms=
|hierarchy=Polygalaceae;Polygala;Polygala alba
|hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Polygalaceae]]</div><div class="higher-taxon"><small>genus</small>[[Polygala]]</div><div class="higher-taxon"><small>species</small>[[Polygala alba]]</div></div>
|volume=Volume 10
|mention_page=
|treatment_page=
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Herbs </b>perennial, multi-stemmed, (0.5–)2–4(–5) dm, infrequently branched; caudex thickened. <b>Stems</b> erect, sparsely pubescent or glabrate, hairs minute, incurved. <b>Leaves</b> whorled at 1 or 2 nodes proximally, rarely more; sessile or subsessile; blade narrowly oblanceolate or spatulate proximally, to narrowly oblong or linear distally, 4–18(–25) × 1.5–2.5 mm proximally, 8–25 × 0.5–1.2(–2) mm distally, base cuneate, apex rounded to acute proximally, acute to acuminate distally, surfaces very sparsely pubescent or glabrate, hairs minute, incurved. <b>Racemes</b> to nearly spikes, cylindric-conic, (1–)2–8.5(–12) × 0.4–0.8 cm, often interrupted proximally; peduncle (1–)2–13 cm; bracts deciduous, lanceolate. <b>Pedicels</b> 0.1–1 mm, pubescent to subglabrous. <b>Flowers</b> white, sepals, including wings, often with greenish or purple longitudinal stripe, keel distally green or yellow, crest often purplish, 2–3.5(–4) mm; sepals ovate to oblong, 1.3–1.8 mm, pubescent; wings elliptic or ovate, 2.2–4 × 1.3–1.5(–2) mm, apex usually obtuse, rarely acute to bluntly rounded, pubescent; keel 3 mm, crest 2-parted, with 4 lobes on each side, pubescent. <b>Capsules</b> ovoid, ellipsoid, or oblong, 1.5–3 × 1.3–1.6 mm, margins not winged. <b>Seeds</b> 2–2.5 mm, pubescent; aril 0.8–1.5 mm, lobes to (1/5–)1/3–3/4 length of seed. <b>2n</b> = 24, ca. 36, 52–54.</span><!--

-->{{Treatment/Body
|phenology=Flowering spring–summer.
|habitat=Grasslands, scrub, chaparral, open dry woods, open disturbed areas.
|elevation=200–2000(–2600) m.
|distribution=Sask.;Ariz.;Colo.;Iowa;Kans.;Mont.;Nebr.;N.Mex.;N.Dak.;Okla.;S.Dak.;Tex.;Wyo.;Mexico (Baja California Sur;Chiapas;Chihuahua;Coahuila;Durango;Guanajuato;Jalisco;México;Nuevo León;Oaxaca;Querétaro;San Luis Potosí;Sinaloa;Sonora;Tamaulipas;Zacatecas).
|discussion=<p>Leaves of Polygala alba have abaxially embedded, linear to round, punctate glands, which are obscure in dried material but white and waxy when rehydrated.</p>
|tables=
|references=
}}<!--

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-->{{#Taxon:
name=Polygala alba
|authority=Nuttall
|rank=species
|parent rank=genus
|synonyms=
|basionyms=
|family=Polygalaceae
|phenology=Flowering spring–summer.
|habitat=Grasslands, scrub, chaparral, open dry woods, open disturbed areas.
|elevation=200–2000(–2600) m.
|distribution=Sask.;Ariz.;Colo.;Iowa;Kans.;Mont.;Nebr.;N.Mex.;N.Dak.;Okla.;S.Dak.;Tex.;Wyo.;Mexico (Baja California Sur;Chiapas;Chihuahua;Coahuila;Durango;Guanajuato;Jalisco;México;Nuevo León;Oaxaca;Querétaro;San Luis Potosí;Sinaloa;Sonora;Tamaulipas;Zacatecas).
|reference=None
|publication title=Gen. N. Amer. Pl.
|publication year=1818
|special status=
|source xml=https://xjsachs2@bitbucket.org/aafc-mbb/fna-data-curation.git/src/1f4bf54ae2f7dbd5376c45b4fe1b388e15b53086/coarse_grained_fna_xml/V10/V10_461.xml
|genus=Polygala
|species=Polygala alba
}}<!--

-->[[Category:Treatment]][[Category:Polygala]]