Difference between revisions of "Juncaginaceae"

Richard
Common names: Arrow-grass Family
Treatment appears in FNA Volume 22. Treatment on page 43.
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|family=Juncaginaceae
 
|family=Juncaginaceae
 
|illustrator=John Myers
 
|illustrator=John Myers
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|illustration copyright=Flora of North America Association
 
|distribution=Nearly worldwide.
 
|distribution=Nearly worldwide.
 
|reference=dahlgren1985a;haynes1985a;larsen1966a;reveal1977b;thieret1988a;thorne1993b
 
|reference=dahlgren1985a;haynes1985a;larsen1966a;reveal1977b;thieret1988a;thorne1993b
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|special status=
 
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|source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V22/V22_107.xml
 
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Latest revision as of 20:29, 5 November 2020

Herbs, perennial or annual, rhizomatous, evident stems absent; turions absent. Leaves basal, emersed, sessile; sheath persisting longer than blade, not leaving circular scar when shed, ligulate, auriculate with scarious lobes; blade linear; intravaginal squamules scales, more than 2. Inflorescences terminal or axillary, scapose spikes, spikelike racemes, rarely solitary flowers, without spathe, pedunculate; peduncle following fertilization not elongating, not spiraling. Flowers bisexual or unisexual, staminate and pistillate on same plant; subtending bracts absent; perianth present, rarely absent; tepals 1, or 6 in 1–2 series. Bisexual and staminate flowers: stamens 1, 4, or 6, epitepalous, when 4 or 6, then in 2–3 series; anthers distinct, dehiscing longitudinally; pollen globose. Pistillate and bisexual flowers: pistils 1, 3, or 6, not stipitate, when 3 or 6, coherent or weakly connate; ovules basal, anatropous. Fruits nutlets or schizocarps. Seeds 1; embryo straight.

Discussion

Genera 4, species ca. 15 (2 genera, 5 species in the flora).

Lower Taxa

Key

1 Inflorescences both scapose spikelike racemes with bisexual and unisexual flowers and sessile with pistillate flowers; pistils 1 Lilaea
1 Inflorescences all scapose spikelike racemes with bisexual flowers; fertile pistils 3 or 6 Triglochin