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Key to families | Table of families and genera

Specimen numbers are hyperlinked to records in the Consortium of California Herbaria data view where possible. Taxa are hyperlinked to entries in the Jepson Interchange via the "[Online Interchange]" link.


Annual, perennial herb, < 2 m; sap clear or milky; monoecious. Stem: erect. Leaf: alternate, entire or toothed; stipules minute, petioled; blade base generally with 2 glands. Inflorescence: spike, axillary or terminal; bracts glandular. Staminate flower: calyx 2-lobed; stamens 2; nectary disk 0. Pistillate flower: sepals 3, overlapping in bud, reduced, or 0; ovary 3-chambered, styles free, fused proximally, lobes 0. Fruit: generally 3-lobed, separating into 3 1-seeded segments; central axis persistent. Seed: pointed; scar not appendaged.
30 species: tropics, warm temperate. (Benjamin Stillingfleet, British botanist, 1702–1771) [Johnston & Warnock 1963 Southwestern California Naturalist 8:100–106]

Key to Stillingia

1. Leaf blades elliptic to ovate, sharply toothed, 3-veined; spikes axillary; seeds striate ..... S. spinulosa

1' Leaves linear, entire or sparsely toothed in proximal 1/2, 1-veined; spikes terminal; seeds smooth

2. Spikes exceeding leaves, open in proximal 1/3, pistillate flowers well separated; base of leaf blade entire; seeds ± 2 mm ..... S. linearifolia

2' Spikes not exceeding leaves, dense in proximal 1/3, pistillate flowers crowded; base of leaf blade few-toothed; seeds 2.5–3 mm ..... S. paucidentata


Citation for the whole project: Jepson Flora Project (eds.) [year] Jepson eFlora, [accessed on month, day, year]
Citation for an individual treatment: [Author of taxon treatment] [year]. [Taxon name] in Jepson Flora Project (eds.) Jepson eFlora, [URL for treatment]. Accessed on [month, day, year].
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