View source for Calystegia macrostegia subsp. arida

{{Treatment/ID
|accepted_name=Calystegia macrostegia subsp. arida
|accepted_authority=(Greene) Brummitt
|publications={{Treatment/Publication
|title=Ann. Missouri Bot. Gard.
|place=52: 215. 1965
|year=1965
}}
|basionyms={{Treatment/ID/Basionym
|name=Convolvulus aridus
|authority=Greene
|rank=species
|publication_title=Pittonia
|publication_place=3: 330.  1898
}}
|synonyms=
|hierarchy=Convolvulaceae;Calystegia;Calystegia macrostegia;Calystegia macrostegia subsp. arida
|hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Convolvulaceae]]</div><div class="higher-taxon"><small>genus</small>[[Calystegia]]</div><div class="higher-taxon"><small>species</small>[[Calystegia macrostegia]]</div><div class="higher-taxon"><small>subspecies</small>[[Calystegia macrostegia subsp. arida]]</div></div>
|volume=Volume 14
|mention_page=
|treatment_page=
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Herbage </b>± pubescent, grayish. <b>Stems</b> trailing or twining-climbing. <b>Leaf</b> blades narrowly triangular, basal lobes 2-pointed or rounded, basal sinus rounded to quadrate. <b>Bracts</b> lanceolate, 10–16(–21) × 6–10 mm, proximally flat or ± keeled, apex acute. <b>Flowers</b>: sepals 9–12 mm; corolla white or cream, 24–34 mm; stamens 15–18 mm.</span><!--

-->{{Treatment/Body
|phenology=Flowering Apr–Jul.
|habitat=Chaparral, coastal scrub, dry sites.
|elevation=0–1200 m.
|distribution=Calif.;Mexico (Baja California).
|discussion=<p>Subspecies arida intergrades with Calystegia macrostegia subspp. intermedia and tenuifolia and with C. occidentalis subsp. fulcrata.</p>
|tables=
|references=
}}<!--

--><!--

-->{{#Taxon:
name=Calystegia macrostegia subsp. arida
|authority=(Greene) Brummitt
|rank=subspecies
|parent rank=species
|synonyms=
|basionyms=Convolvulus aridus
|family=Convolvulaceae
|phenology=Flowering Apr–Jul.
|habitat=Chaparral, coastal scrub, dry sites.
|elevation=0–1200 m.
|distribution=Calif.;Mexico (Baja California).
|reference=None
|publication title=Ann. Missouri Bot. Gard.
|publication year=1965
|special status=
|source xml=
|genus=Calystegia
|species=Calystegia macrostegia
|subspecies=Calystegia macrostegia subsp. arida
}}<!--

-->[[Category:Treatment]][[Category:Calystegia macrostegia]]