Jepson Flora Project: Jepson Interchange    

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Jepson Interchange (more information)
©Copyright 1993 by the Regents of the University of California

  • Up-to-date information about California vascular plants is available from the Jepson eFlora.



Robert F. Thorne

Annual or perennial herb from rhizomes, submersed or emergent, sometimes dioecious or plants with some unisexual flowers
Stem short, erect, ± scapose
Leaves basal or cauline, alternate, generally narrowly cylindric; sheath open, generally liguled
Inflorescence: spike or raceme (terminal) or flowers solitary in axils; bracts 0
Flower: perianth parts generally 6 in 2 whorls (except 0–1 in Lilaea ), free, greenish; stamens generally 1, 3, or 6, filament short, ± fused to inner perianth parts, anthers elongate, dehiscing outward; pistil 1 (simple) or seemingly so (ovaries 3, 4, or 6, fused to central axis, each with 1 chamber and 1 style), ovule 1 per chamber, style short and plumose or long and thread-like
Fruit: follicle or nutlet
Genera in family: 5 genera, ± 20 species: temp and circumboreal.


Species in genus: 1 sp
Etymology: (A. Raffeneau-Delile, French botanist, 1778–1850)


L. scilloides (Poir.) Hauman


Annual from fibrous roots, aquatic, generally emergent
Stem erect, short, obscure
Leaves basal, tufted, 5–20(45) cm, 1–5 mm wide; sheath 3–10 cm, translucent; blade tip acute to pointed
Inflorescence: bisexual and staminate flowers in erect, generally emergent spike, 6–20 cm; pistillate flowers solitary in submersed axils, enclosed by leaf sheaths
Bisexual flower: perianth part 1, 2–3 mm; stamen 1; ovary 1, chamber 1, ovule 1, style short
Staminate flower: perianth part 1, 2–3 mm; stamen 1
Pistillate flower: perianth 0; ovary 1, chamber 1, ovule 1, style 6–20 cm, thread-like, stigma floating
Fruit: nutlet, 2–10 mm, ribs 25–30; tip beaked
Chromosomes: 2n=12
Ecology: Vernal pools, ditches, streams, ponds, lake margins:
Elevation: < 1700 m.
Bioregional distribution: North Coast, Inner North Coast Ranges, Sierra Nevada, Great Central Valley, Central Western California, South Coast, Peninsular Ranges, Great Basin Floristic Province
Distribution outside California: to w Canada, Montana, Mexico, Chile; naturalized in Australia
Flowering time: Mar–Oct
Sometimes treated in Lilaeaceae
Horticultural information: WET, fresh water margins and mud; SUN: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24.

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bioregional map for LILAEA%20scilloides being generated

Retrieve Jepson Interchange Index to Plant Names entry for Lilaea scilloides
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