View source for Holosteum

{{Treatment/ID
|accepted_name=Holosteum
|accepted_authority=Linnaeus
|publications={{Treatment/Publication
|title=Sp. Pl.
|place=1: 88. 1753
|year=1753
}}, {{Treatment/Publication
|title=Gen. Pl. ed.
|place=5, 39. 1754
|year=1754
}}
|common_names=Jagged chickweed
|basionyms=
|synonyms=
|hierarchy=Caryophyllaceae;Caryophyllaceae subfam. Alsinoideae;Holosteum
|hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Caryophyllaceae]]</div><div class="higher-taxon"><small>subfamily</small>[[Caryophyllaceae subfam. Alsinoideae]]</div><div class="higher-taxon"><small>genus</small>[[Holosteum]]</div></div>
|etymology=Greek holos, whole or all, and osteon, bone, humorous allusion to frailty of the plant
|volume=Volume 5
|mention_page=page 4, 8, 50, 95
|treatment_page=page 94
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Herbs,</b> annual or winter-annual. <b>Taproots</b> slender. <b>Stems</b> ascending to erect, simple or branched, terete. <b>Leaves</b> forming basal rosette, connate proximally into sheath, petiolate (proximal leaves) or sessile (cauline leaves); blade 1-veined, oblanceolate to spatulate (proximal leaves) or elliptic to ovate (cauline leaves), somewhat succulent, apex acute. <b>Inflorescences</b> terminal, umbellate cymes, sometimes not yet developed in young individuals, then with 2–4 bracts and often buds at base of pedicel; bracts clustered, foliaceous with scarious margins to entirely scarious. <b>Pedicels</b> reflexed after flowering, erect in fruit. <b>Flowers</b> bisexual or occasionally unisexual and pistillate; perianth and androecium hypogynous; sepals 5, distinct, green, lanceolate to ovate, 2.5–4.5 mm, herbaceous, margins white, scarious, apex acute to obtuse, not hooded; petals 5, white to pink, clawed, blade apex jagged but not 2-fid; nectaries not apparent; stamens 3–5, arising from base of ovary; filaments distinct nearly to base; staminodes absent; styles 3(–5), clavate to filiform, 0.5–1.5 mm, glabrous proximally; stigmas 3(–5), subterminal to linear along adaxial surface of styles, minutely papillate (50×). <b>Capsules</b> ovoid to cylindric, opening by 6 (rarely 8 or 10) revolute teeth; carpophore absent. <b>Seeds</b> 35–60, orange to brown, oblong, shield-shaped, dorsiventrally compressed, papillate, marginal wing absent, appendage absent; embryo central, straight. <b>x</b> = 10.</span><!--

-->{{Treatment/Body
|distribution=Europe (e Mediterranean region);c;sw Asia;Africa (Mediterranean region;s to Ethiopia);introduced in South America (Argentina);w Europe;Africa (Republic of South Africa).
|introduced=true
|discussion=<p>Species 3–4 (1 in the flora).</p>
|tables=
|references={{Treatment/Reference
|id=shinners1965a
|text=Shinners, L. H. 1965. Holosteum umbellatum (Caryophyllaceae) in the United States: Population explosion and fractionated suicide. Sida 2: 119–128.
}}
}}<!--

--><!--

-->{{#Taxon:
name=Holosteum
|author=Richard K. Rabeler;Ronald L. Hartman
|authority=Linnaeus
|rank=genus
|parent rank=subfamily
|synonyms=
|basionyms=
|family=Caryophyllaceae
|illustrator=Barbara Alongi
|illustration copyright=Flora of North America Association
|distribution=Europe (e Mediterranean region);c;sw Asia;Africa (Mediterranean region;s to Ethiopia);introduced in South America (Argentina);w Europe;Africa (Republic of South Africa).
|introduced=true
|reference=shinners1965a
|publication title=Sp. Pl.;Gen. Pl. ed.
|publication year=1753;1754
|special status=
|source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V5/V5_197.xml
|subfamily=Caryophyllaceae subfam. Alsinoideae
|genus=Holosteum
}}<!--

-->[[Category:Treatment]][[Category:Caryophyllaceae subfam. Alsinoideae]]