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Key to families | Table of families and genera
Indexes to all accepted names and synonyms:
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Annual, perennial herb, rhizomed or dense-tufted, terrestrial or aquatic. Leaf: generally ± basal, alternate, ± flat to narrow-cylindric; sheath open, generally liguled. Inflorescence: spike or generally ± scapose raceme; bracts 0. Flower: generally bisexual; perianth parts generally 6 in 2 whorls (0, 1) [3, 4], free, ± green or tinged ± red-purple; stamens 0, 1, 3, or 6, filaments short, ± fused to perianth; pistil 1, carpels 1, 6 [3, 4], ± fused, separating in fruit [or not], each with 1 chamber and 1 ovule or 3 carpels fertile, 3 sterile, placentas basal, stigmas generally ± sessile. Fruit: achene or generally mericarps.
3 genera, 30 species: temperate, circumboreal, Australia, southern Africa, South America. [Haynes & Hellquist 2000 FNANM 22:43–46; von Mering & Kadereit 2010 in Seberg (ed.), Diversity, Phylogeny, and Evolution in the Monocotyledons, Aarhus Univ Press] Lilaea included in Triglochin. —Scientific Editor: Thomas J. Rosatti.
Unabridged references: [von Mering, S., Kadereit, J.W. (2010): Phylogeny, systematics and recircumscription of Juncaginaceae - a cosmopolitan wetland family. In Seberg, O. (ed.), Diversity, Phylogeny, and Evolution in the Monocotyledons: Proceedings of the Fourth International Conference on the Comparative Biology of the Monocotyledons. Aarhus University Press.]
Plant ± glabrous. Leaf: basal, ± tufted; sheath membranous; ligule tip entire to 2-lobed . Flower: perianth parts generally adaxially concave; anthers ± sessile; stigma papillate or ± plumose. Fruit: achene or generally 3, 6 mericarps. Seed: 1, linear, ± flat or angled.Key to Triglochin
± 20 species: temperate, circumboreal, Australia, southern Africa, South America. (Greek: 3 points, from fruits of some) TOXIC when fresh, from cyanogenic compounds.
Perennial herb 1–2(4.5) dm, mat-forming; rhizomes spreading to ascending, slender. Leaf: 5–20(45) cm, 1(2) mm wide, ± elliptic in ×-section; ligule 1–2.5 mm, tip rounded to acuminate. Inflorescence: aerial raceme, 5–25(32) cm, < to > leaves; pedicels 0.4–2.1(3.5) mm in fruit, spreading to ascending. Flower: perianth parts (< 6)6, (< 0.6)0.6–1 mm; stamens (< 6)6, often unequal; fertile carpels 3. Fruit: mericarps 3, 1–1.5 mm, fully separating, abaxially strong-3-keeled.
2n=18,24. Uncommon. Brackish to freshwater coastal marshes, springs; < 30 m. North Coast, Central Coast, n South Coast; to Washington, southeastern United States; Chile, Australasia, Africa, Madagascar, naturalized western Europe. May–Sep [Online Interchange]
Previous taxon: Triglochin scilloides
Next taxon: Laxmanniaceae
Citation for the whole project: Jepson Flora Project (eds.) 2013. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on Mar 9 2014
Citation for this treatment: [Author of taxon treatment] 2012. Triglochin, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=47201, accessed on Mar 9 2014
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