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Key to families | Table of families and genera

This text currently parallels The Jepson Manual: Vascular Plants of California, Second Edition that is now available at the University of California Press.

Text appearing in blue on this page will not appear in the printed book; it will be displayed only on the Web. 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.

 

ADENOSTOMA

William Jones


Shrub, small tree, ± resinous.
Stem: bark shredding.
Leaf: simple, alternate, clustered or not, evergreen, short-petioled, stipuled or not, linear to oblanceolate or sickle-shaped, stiff or flexible.
Inflorescence: panicle, terminal, 0.5–17 cm, many-flowered; pedicel bractlets generally present, lanceolate to elliptic.
Flower: hypanthium 0.6–3.2 mm, throat obconic, glandular, persistent, ± enclosing fruit, bractlets 0; petals 1.5–2.5 mm; calyx lobes 1–1.5 mm; corolla lobes ± round, cream to white; stamens 10–15, in 5 groups of 2 or 3, alternate petals; ovary superior, chamber 1, ovules 1–2.
Fruit: achene-like.
2n=18.
2 species: CA, Baja CA. (Greek: glandular mouth, from hypanthium ring gland)

Key to Adenostoma

1. Lvs not clustered, flexible, glandular, stipules 0; pedicel bractlets 5, unlobed, translucent; stamens 10–12 ..... A. sparsifolium

1' Lvs clustered, stiff, glabrous to puberulent, stipules < 1.5 mm; pedicel bractlets 1–3, 3-lobed, not translucent; stamens 15 ..... A. fasciculatum

2. Plants low, mounded; branches decumbent; CCo, ChI ..... var. prostratum

2' Plants tall, not mounded; branches erect to ascending; NCoR, CaRF, SN, CW, SW

3. Twigs glabrous (hairy); leaves generally linear to oblanceolate, 5–13 mm, tips generally acute-acuminate ..... var. fasciculatum

3' Twigs hairy; leaves oblanceolate to club-like, 2–6.5 mm, tips generally obtuse-mucronate ..... var. obtusifolium

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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].
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