View source for Grindelia microcephala

{{Treatment/ID
|accepted_name=Grindelia microcephala
|accepted_authority=de Candolle in A. P. de Candolle and A. L. P. P. de Candolle
|publications={{Treatment/Publication
|title=in A. P. de Candolle and A. L. P. P. de Candolle, Prodr.
|place=5: 315. 1836
|year=1836
}}
|basionyms=
|synonyms=
|hierarchy=Asteraceae;Asteraceae tribe Astereae;Grindelia;Grindelia microcephala
|hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Asteraceae]]</div><div class="higher-taxon"><small>tribe</small>[[Asteraceae tribe Astereae]]</div><div class="higher-taxon"><small>genus</small>[[Grindelia]]</div><div class="higher-taxon"><small>species</small>[[Grindelia microcephala]]</div></div>
|volume=Volume 20
|mention_page=page 427
|treatment_page=page 430
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Annuals,</b> 15–40 cm. <b>Stems</b> erect, stramineous, ± villous and/or stipitate-glandular. <b>Cauline</b> leaf blades ± oblong or spatulate, 10–30(–45+) mm, lengths 2–3.5 times widths, bases clasping, margins ± crenulate (teeth 6–8 per cm, obtuse, resin-tipped), apices obtuse or acute, faces usually hirtellous and glandular (glands usually in pits, seldom sessile or stipitate), sometimes glabrate. <b>Heads</b> in open, corymbiform arrays. <b>Involucres</b> broadly urceolate to hemispheric, 6–9 × 8–13 mm (usually subtended by leaflike bracts). <b>Phyllaries</b> in 5–6 series, spreading to appressed, lanceolate, apices acute to subulate, slightly recurved to straight, little, or not at all, resinous. <b>Ray</b> florets 16–27; laminae 6–9(–12) mm. <b>Cypselae</b> brownish, 3.5–4 mm, apices smooth or obscurely coronate, faces smooth or slightly rugose (little, if at all, transversely fissured); pappi of 2–3 straight or weakly contorted, smooth (apices dilated), bristles or setiform awns 3.5–5 mm, equaling or slightly surpassing disc corollas. <b>2n</b> = 12.</span><!--

-->{{Treatment/Body
|phenology=Flowering (Nov–)Mar–Jun(–Aug).
|habitat=Bottomlands, rich low ground, thickets, near streams
|elevation=0–500 m
|distribution=Tex.
|tables=
|references=
}}<!--

--><!--

-->{{#Taxon:
name=Grindelia microcephala
|authority=de Candolle in A. P. de Candolle and A. L. P. P. de Candolle
|rank=species
|parent rank=genus
|synonyms=
|basionyms=
|family=Asteraceae
|phenology=Flowering (Nov–)Mar–Jun(–Aug).
|habitat=Bottomlands, rich low ground, thickets, near streams
|elevation=0–500 m
|distribution=Tex.
|reference=None
|publication title=in A. P. de Candolle and A. L. P. P. de Candolle, Prodr.
|publication year=1836
|special status=
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f50eec43f223ca0e34566be0b046453a0960e173/coarse_grained_fna_xml/V19-20-21/V20_988.xml
|tribe=Asteraceae tribe Astereae
|genus=Grindelia
|species=Grindelia microcephala
}}<!--

-->[[Category:Treatment]][[Category:Grindelia]]