View source for Montia

{{Treatment/ID
|accepted_name=Montia
|accepted_authority=Linnaeus
|publications={{Treatment/Publication
|title=Sp. Pl.
|place=1: 87. 1753
|year=1753
}}, {{Treatment/Publication
|title=Gen. Pl. ed.
|place=5, 38. 1754
|year=1754
}}
|common_names=Water chickweed
|basionyms=
|synonyms={{Treatment/ID/Synonym
|name=Claytoniella
|authority=Yurtsev
|rank=genus
}} {{Treatment/ID/Synonym
|name=Crunocallis
|authority=Rydberg
|rank=genus
}} {{Treatment/ID/Synonym
|name=Limnalsine
|authority=Rydberg
|rank=genus
}} {{Treatment/ID/Synonym
|name=Maxia
|authority=Ö. Nilsson
|rank=genus
}} {{Treatment/ID/Synonym
|name=Mona
|authority=Ö. Nilsson
|rank=genus
}} {{Treatment/ID/Synonym
|name=Montiastrum
|authority=(A. Gray) Rydberg
|rank=genus
}} {{Treatment/ID/Synonym
|name=Naiocrene
|authority=(Torrey & A. Gray) Rydberg
|rank=genus
}} {{Treatment/ID/Synonym
|name=Neopaxia
|authority=Ö. Nilsson
|rank=genus
}} {{Treatment/ID/Synonym
|name=Paxia
|authority=Ö. Nilsson
|rank=genus
}}
|hierarchy=Portulacaceae;Montia
|hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Portulacaceae]]</div><div class="higher-taxon"><small>genus</small>[[Montia]]</div></div>
|etymology=for Giuseppe Monti, 1682–1760, Italian botanist
|volume=Volume 4
|mention_page=page 457, 458
|treatment_page=page 485
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Herbs,</b> annual, biennial, or perennial, sometimes rhizomatous and/or stoloniferous, or with branched caudices (<i>M. parvifolia</i>), sometimes bulbiferous, succulent, glabrous. <b>Stems</b> prostrate to decumbent or erect, usually branched, often rooting at nodes. <b>Leaves</b> cauline and sometimes basal; basal leaves in rosettes; cauline leaves 3 or more, alternate, opposite, or secund, distinct, not articulate at base, somewhat to markedly clasping, attachment points linear, petiolate or sessile; blade linear, oblong, lanceolate or oblanceolate to rhombic, ovate, or suborbiculate. <b>Inflorescences</b> axillary or terminal, racemose, somewhat to markedly secund (at least terminally), ebracteate or 1-bracteate at base of each flower. <b>Flowers</b> radially symmetric (slightly irregular in <i>M. fontana</i>), not showy (except in <i>M. parvifolia</i> and <i>M. bostockii</i>), occasionally replaced by bulbils in <i>M. chamissoi</i>; sepals persistent, unequal; petals 5, sometimes absent, usually distinct (connate proximally in <i>M. fontana</i>); stamens 3–5 (occasionally 2 in <i>M. howellii</i>); ovary globose or linear-oblong, ovules 3; style 1; stigmas 3. <b>Capsules</b> 3-valved, longitudinally dehiscent from apex, valves not deciduous, margins involute. <b>Seeds</b> 1–3, black, rounded, tuberculate (appearing smooth in <i>M. parvifolia</i>); elaiosome absent or, less than 1 mm. <b>x</b> = 7, 8, 10, 11.</span><!--

-->{{Treatment/Body
|distribution=Worldwide.
|discussion=<p>Species 12 (8 in the flora).</p><!--
--><p>The classification of <i>Montia</i> is in transition. It is widely recognized that the genus as traditionally treated is a rather disparate assemblage of species, albeit closely related. Several segregate genera have been described, but as R. C. Carolin (1993) has observed, “while some are almost certainly recognizable at the generic level, the others probably less certainly.” With the current legitimate uncertainty, it is appropriate to treat <i>Montia</i> here in the broad, traditional sense. To do otherwise is to give the impression that we know more about the relationships of the species than is actually the case.</p>
|tables=
|references={{Treatment/Reference
|id=chambers1993b
|text=Chambers, K. L. 1993b. Montia. In: J. C. Hickman, ed. The Jepson Manual. Higher Plants of California. Berkeley, Los Angeles, and London. P. 904.
}}{{Treatment/Reference
|id=nilsson1966a
|text=Nilsson, Ö. 1966. Studies in Montia L. and Claytonia L. and allied genera. I. Two new genera, Mona and Paxia. Bot. Not. 119: 265–285.
}}{{Treatment/Reference
|id=nilsson1970a
|text=Nilsson, Ö. 1970. Studies in Montia L., Claytonia L. and allied genera. IV. The genus Crunocallis Rydb. Bot. Not. 123: 119–148.
}}{{Treatment/Reference
|id=nilsson1971a
|text=Nilsson, Ö. 1971. Studies in Montia L., Claytonia L. and allied genera. V. The genus Montiastrum (Gray) Rydb. Bot. Not. 124: 87–121.
}}{{Treatment/Reference
|id=nilsson1971b
|text=Nilsson, Ö. 1971b. Studies in Montia L., Claytonia L. and allied genera. VI. The genera Limnalsine Rydb. and Maxia Ö. Nilss. Bot. Not. 124: 187–207.
}}
}}<!--

--><div class="treatment-key">
==Key==
<div class="treatment-key-group">
  
{| class="wikitable fna-keytable"
|-id=key-0-1
|1
|Leaves opposite, never alternate or borne on flowering stems
|[[#key-0-2| > 2]]
|-id=key-0-1
|1
|Leaves alternate or secund, or borne on flowering stems
|[[#key-0-3| > 3]]
|-id=key-0-2
|2
|Plants annual or biennial, never bulbiferous; stems prostrate or decumbent; stamens 3
|[[Montia fontana|Montia fontana]]
|-id=key-0-2
|2
|Plants perennial, usually bulbiferous; stems erect; stamens 5
|[[Montia chamissoi|Montia chamissoi]]
|-id=key-0-3
|3
|Petals 6-15 mm, always present; plants rhizomatous or stoloniferous, often bulbiferous
|[[#key-0-4| > 4]]
|-id=key-0-3
|3
|Petals 0.7-6 mm, sometimes absent; plants not rhizomatous, stoloniferous, or bulbiferous
|[[#key-0-5| > 5]]
|-id=key-0-4
|4
|Plants not bulbiferous; leaves not in basal rosette; inflorescences 1-bracteate; Alaska, Yukon
|[[Montia bostockii|Montia bostockii]]
|-id=key-0-4
|4
|Plants often bulbiferous; leaves in basal rosettes; inflorescences leafy; Pacific coast, cordillera of w North America
|[[Montia parvifolia|Montia parvifolia]]
|-id=key-0-5
|5
|Leaf blades 10-40 mm wide; clasping leaf sheaths absent; stamens 5
|[[Montia diffusa|Montia diffusa]]
|-id=key-0-5
|5
|Leaf blades 0.5-4 mm wide; clasping leaf sheaths present; stamens (2-)3-5
|[[#key-0-6| > 6]]
|-id=key-0-6
|6
|Petals often absent; inflorescences axillary
|[[Montia howellii|Montia howellii]]
|-id=key-0-6
|6
|Petals present; inflorescences terminal
|[[#key-0-7| > 7]]
|-id=key-0-7
|7
|Flowers 2-8; seeds 1.2-2.6 mm; stems 2-30 cm
|[[Montia linearis|Montia linearis]]
|-id=key-0-7
|7
|Flowers 4-12; seeds 0.8-1.2 mm; stems 1-10 cm
|[[Montia dichotoma|Montia dichotoma]]
|}
</div></div><!--

-->{{#Taxon:
name=Montia
|author=John M. Miller
|authority=Linnaeus
|rank=genus
|parent rank=family
|synonyms=Claytoniella;Crunocallis;Limnalsine;Maxia;Mona;Montiastrum;Naiocrene;Neopaxia;Paxia
|basionyms=
|family=Portulacaceae
|distribution=Worldwide.
|reference=chambers1993b;nilsson1966a;nilsson1970a;nilsson1971a;nilsson1971b
|publication title=Sp. Pl.;Gen. Pl. ed.
|publication year=1753;1754
|special status=
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f50eec43f223ca0e34566be0b046453a0960e173/coarse_grained_fna_xml/V4/V4_984.xml
|genus=Montia
}}<!--

-->[[Category:Treatment]][[Category:Portulacaceae]]