View source for Hibiscus denudatus

{{Treatment/ID
|accepted_name=Hibiscus denudatus
|accepted_authority=Bentham
|publications={{Treatment/Publication
|title=Bot. Voy. Sulphur,
|place=7, plate 3. 1844
|year=1844
}}
|common_names=Paleface rose-mallow
|basionyms=
|synonyms=
|hierarchy=Malvaceae;Malvaceae subfam. Malvoideae;Hibiscus;Hibiscus denudatus
|hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Malvaceae]]</div><div class="higher-taxon"><small>subfamily</small>[[Malvaceae subfam. Malvoideae]]</div><div class="higher-taxon"><small>genus</small>[[Hibiscus]]</div><div class="higher-taxon"><small>species</small>[[Hibiscus denudatus]]</div></div>
|volume=Volume 6
|mention_page=page 252, 253, 254, 255, 258
|treatment_page=page 257
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Subshrubs,</b> to 0.8 m, herbage densely ± yellowish stellate-tomentose throughout. <b>Stems</b>: older twigs yellowish brown, glabrescent, line of fine hairs obscured by other pubescence or absent. <b>Leaves</b>: stipules narrowly triangular to subulate, 1–3 mm; petiole to 1/2 as long as blade, adaxial fine, curved hairs absent or obscured by other pubescence; blade oblong or broadly to narrowly ovate (often folded in pressed specimens), usually unlobed, rarely shallowly 3-angulate-lobate, mostly 1.2–3 × 1–2.5 cm, base cuneate to rounded or truncate, margins irregularly and coarsely dentate or dentate-crenate, apex broadly acute to truncate, surfaces stellate-tomentose, ± obscured nectary present abaxially on midvein near base. <b>Inflorescences</b> solitary flowers in axils of distal leaves. <b>Pedicels</b> obscurely joined below apex, 0.5–2 cm, equaling or exceeding subtending petioles; involucellar bractlets 7–10, often absent, narrowly triangular to subulate, to 0.6 cm, margins not ciliate. <b>Flowers</b> ascending to erect; calyx divided 2/3–4/5 length, funnelform, 0.7–1.6 cm, lobes narrowly triangular-ovate, apices acuminate, nectaries absent; corolla rotate, petals pale purple or pink to nearly white, with maroon spot or lines basally, asymmetrically obovate, 1.3–3 × 0.9–2 cm, margins ± entire, finely hairy abaxially where exposed in bud; staminal column straight, pink, 0.4–1.1 cm, bearing filaments throughout, free portion of filaments not secund, 1–3 mm; pollen dark orange; styles pale pink, 1.5–4 mm; stigmas pale pink to maroon. <b>Capsules</b> dull yellow-green with darker medial stripe on each valve, drying straw-colored, ovoid to subglobose, 0.6–1 cm, shorter than calyces, apex apiculate, glabrous or with minute hairs near apex and on sutures. <b>Seeds</b> dark brown, angulately reniform-ovoid, 2.2–3 mm, whitish, silky-hairy ± throughout, hairs 3–4 mm. <b>2n</b> = 22 (Mexico: Durango).</span><!--

-->{{Treatment/Body
|phenology=Flowering year-round.
|habitat=Desert, often rocky
|elevation=30–1800 m
|distribution=Ariz.;Calif.;Nev.;N.Mex.;Tex.;Mexico (Baja California;Baja California Sur;Chihuahua;Coahuila;Durango;Sonora).
|discussion=<p><i>Hibiscus denudatus</i> has been recorded from Imperial, Riverside, San Bernardino, and San Diego counties in southern California; from southernmost <i>Nevada</i> (southern Clark County); from the southern half and near the Grand Canyon in Arizona; from southwestern New Mexico; and from the region west of the Pecos River in Texas.</p><!--
--><p>As noted in the previous species, a naturally occurring hybrid between <i>Hibiscus denudatus</i> and <i>H. coulteri</i> (<i>Hibiscus</i> ×sabei Weckesser) has recently been documented from western Texas (W. Weckesser 2011).</p>
|tables=
|references=
}}<!--

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-->{{#Taxon:
name=Hibiscus denudatus
|author=
|authority=Bentham
|rank=species
|parent rank=genus
|synonyms=
|basionyms=
|family=Malvaceae
|phenology=Flowering year-round.
|habitat=Desert, often rocky
|elevation=30–1800 m
|distribution=Ariz.;Calif.;Nev.;N.Mex.;Tex.;Mexico (Baja California;Baja California Sur;Chihuahua;Coahuila;Durango;Sonora).
|reference=None
|publication title=Bot. Voy. Sulphur,
|publication year=1844
|special status=
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f6b125a955440c0872999024f038d74684f65921/coarse_grained_fna_xml/V6/V6_463.xml
|subfamily=Malvaceae subfam. Malvoideae
|genus=Hibiscus
|species=Hibiscus denudatus
}}<!--

-->[[Category:Treatment]][[Category:Hibiscus]]