View source for Polygonum hickmanii

{{Treatment/ID
|accepted_name=Polygonum hickmanii
|accepted_authority=H. R. Hinds & Rand. Morgan
|publications={{Treatment/Publication
|title=Novon
|place=5: 336. 1995
|year=1995
}}
|common_names=Hickman’s knotweed
|basionyms=
|synonyms=
|hierarchy=Polygonaceae;Polygonaceae subfam. Polygonoideae;Polygonum;Polygonum sect. Duravia;Polygonum hickmanii
|hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Polygonaceae]]</div><div class="higher-taxon"><small>subfamily</small>[[Polygonaceae subfam. Polygonoideae]]</div><div class="higher-taxon"><small>genus</small>[[Polygonum]]</div><div class="higher-taxon"><small>section</small>[[Polygonum sect. Duravia]]</div><div class="higher-taxon"><small>species</small>[[Polygonum hickmanii]]</div></div>
|volume=Volume 5
|mention_page=page 561, 562
|treatment_page=page 563
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Herbs,</b> compact, often cushion-like. <b>Stems</b> erect, color unknown, simple to profusely branched from near base, not wiry, 2–5 cm, glabrous. <b>Leaves</b> persistence and crowded at brance tips, not articulated to ocreae; ocrea 4–6 mm, glabrous, proximal part cylindric, distal part silvery, disintegrating nearly to base into straight fibers; petiole absent; blade 3-veined, without pleats, linear, 5–35 × 1–1.5 mm, margins revolute, smooth, apex acuminate. <b>Inflorescences</b> axillary; cymes insertion unknown, 1-flowered. <b>Pedicels</b> absent. <b>Flowers</b> closed; perianth 2–3 mm; tube 6–18 % of perianth length, tepals imbrication unknown, white with whitish or pink margins, petaloid, oblong, apex acute, mucronate; midveins unbranched; stamens 8; anthers orange-pink. <b>Achenes</b> enclosed in perianth, olive brown, ovate, 2–2.3 mm, faces subequal, shiny, smooth.</span><!--

-->{{Treatment/Body
|phenology=Flowering May–Oct.
|habitat=Open, seasonally dry grasslands
|elevation=200-300 m
|distribution=Calif.
|discussion=<p>Of conservation concern.</p><!--
--><p>The above description is based on the original one by Hinds and Morgan. <i>Polygonum hickmanii</i> is known only from the northern end of Scotts Valley in Santa Cruz County.</p>
|tables=
|references=
}}<!--

--><!--

-->{{#Taxon:
name=Polygonum hickmanii
|author=
|authority=H. R. Hinds & Rand. Morgan
|rank=species
|parent rank=section
|synonyms=
|basionyms=
|family=Polygonaceae
|phenology=Flowering May–Oct.
|habitat=Open, seasonally dry grasslands
|elevation=200-300 m
|distribution=Calif.
|reference=None
|publication title=Novon
|publication year=1995
|special status=
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f6b125a955440c0872999024f038d74684f65921/coarse_grained_fna_xml/V5/V5_1149.xml
|subfamily=Polygonaceae subfam. Polygonoideae
|genus=Polygonum
|section=Polygonum sect. Duravia
|species=Polygonum hickmanii
}}<!--

-->[[Category:Treatment]][[Category:Polygonum sect. Duravia]]