Common Name: CATTAIL FAMILY Habit: Perennial herb, glabrous; monoecious; rhizomes or stolons long; colonial, in wet soil to aquatic. Stem: aerial stem 1, +- cylindric. Leaf: basal and cauline, alternate, 2-ranked, spongy; sheath open; ligule 0; blade +- linear. Inflorescence: spike-like or of spheric, unisexual heads; staminate flowers or heads distal to pistillate ones. Flower: small, densely-packed. Staminate Flower: filaments fused proximally. Pistillate Flower: pistil 1, ovary superior, ovules 1--2(4). Fruit: follicle, splitting in water, or drupe-like. Genera In Family: 2 genera, +- 32 species: worldwide. eFlora Treatment Author: S. Galen Smith Scientific Editor: Douglas H. Goldman, Bruce G. Baldwin.
Habit: Plants robust, erect, emergent to +- terrestrial, not aquatic, to +- 2.5 m. Leaf: blades thick to thin, 3-angled proximally, flat or keeled distally. Inflorescence: main axis branches (0)1--4, heads >= 2 per branch; staminate heads +- 10--60; pistillate heads (1)2--8, 1.5--3 cm diam in fruit. Flower: perianth parts dark-thickened distally; stigmas > 1 on 5--100% of pistillate flowers, 3--4 mm. Fruit: body 5--9 mm, 3--7 mm wide, obconic, 3--6-angled, base not stalk-like, tip +- truncate to hemispheric, beak 1--4 mm. Chromosomes: 2n=30. Note: Varieties intergrade where distributions overlap. Unabridged Note: Closely related to variable Old World Sparganium erectum sensu lato.
Sparganium eurycarpum Engelm. ex A. Gray var. eurycarpum
NATIVE Habit: Plants to +- 1.5(2.5) m. Leaf: firm; at least distal blades proximally thick, 3-angled. Inflorescence: pistillate heads 2--3 cm diam in fruit. Flower: stigmas 2(3--4) on +- (40)60--100% of pistillate flowers. Fruit: body 8--9 mm, 5--7 mm wide, distally +- truncate to low-rounded. Ecology: Marshes, lakes, ponds, along streams; Elevation: < 2400 m. Bioregional Distribution: NCo, NCoRO, n SNH, SnJV, CCo, SnFrB, MP; Distribution Outside California: temperate and low-latitude boreal North America. Flowering Time: Jun--Aug Synonyms: Sparganium eurycarpum Engelm. ex A. Gray subsp. eurycarpum Unabridged Note: Typification of Sparganium californicum Greene (Cook and Nicholls op. cit.) placed Sparganium californicum in synonymy under Sparganium eurycarpum subsp. eurycarpum. However, this typification remains questionable and another possible holotype cannot be unequivocally determined. Jepson eFlora Author: S. Galen Smith Reference: Kaul 2000 FNANM 22:271--277 Index of California Plant Names (ICPN; linked via the Jepson Online Interchange) Previous taxon: Sparganium eurycarpum Next taxon: Sparganium eurycarpum var. greenei
Botanical illustration including Sparganium eurycarpum var. eurycarpum
Citation for this treatment: S. Galen Smith 2012, Sparganium eurycarpum var. eurycarpum, in Jepson Flora Project (eds.) Jepson eFlora, https://ucjeps.berkeley.edu/eflora/eflora_display.php?tid=73845, accessed on April 23, 2024.
Citation for the whole project: Jepson Flora Project (eds.) 2024, Jepson eFlora, https://ucjeps.berkeley.edu/eflora/, accessed on April 23, 2024.
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(Note: any qualifiers in the taxon distribution description, such as 'northern', 'southern', 'adjacent' etc., are not reflected in the map above, and in some cases indication of a taxon in a subdivision is based on a single collection or author-verified occurence).
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CCH collections by month
Duplicates counted once; synonyms included.
Species do not include records of infraspecific taxa, if there are more than 1 infraspecific taxon in CA.
Blue line denotes eFlora flowering time (fruiting time in some monocot genera).