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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.
Shrub to small tree, evergreen; sap colorless. Leaf: simple, entire or minutely toothed. Inflorescence: terminal, 1-flowered. Flower: receptacle funnel-shaped around ovary base; sepals 2, shed at flower; petals 4(6), free, 2–3 cm, obovate or wedge-shaped, yellow, satiny, shed after flower; stamens many, free; placentas 2, style 0, stigma lobes 2, flat. Fruit: linear, dehiscent from base. Seed: many, 2–3 mm, obovate, smooth, brown or black; fleshy appendage present.
2 species: California, Baja California. (Greek: tree poppy)
1. Leaf 1.5–3 × longer than wide, entire, tip generally ± rounded-mucronate; Channel Islands ..... D. harfordii
1' Leaf 3–8 × longer than wide, minutely toothed, tip acute-mucronate; not Channel Islands ..... D. rigida
Citation for the whole project: Jepson Flora Project (eds.) [year] Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html [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].
We encourage links to these pages, but the content may not be downloaded for reposting, repackaging, redistributing, or sale in any form, without written permission from The Jepson Herbarium.