Jepson eFlora
Key to families | Table of families and genera

Key to Hydrangeaceae

View taxon page for Hydrangeaceae

Jepson Manual glossary definitions can be seen by moving your cursor over words underlined with dots.

1. Flowers < 8 mm wide, odorless; sepals 1.5–2 mm, ± deciduous; petals 3–6 mm

2. Leaf blade 8–16 mm, 3–6 mm wide; fruit ± cylindric, styles persistent; trunk or main stem erect; White and Inyo Mountains, Desert Mountains ..... FENDLERELLA

2' Leaf blade 15–40 mm, 10–30 mm wide; fruit spheric, styles deciduous; main stem prostrate; coastal mtns ..... WHIPPLEA

1' Flowers >= 10 mm wide, fragrant; sepals 3–10 mm, persistent; petals 5–25 mm

3. Stamens 10, alternating long and short; filament base wide, flat; stigma terminal, < 0.5 mm ..... JAMESIA

3' Stamens > 20, ± equal, filament base ± linear; stigma linear along style branches, > 1 mm

4. Flowers 3–6 cm wide; leaves 1-veined from base, persistent, leathery; ovary ± superior; petals ± round; c&s Sierra Nevada Foothills (Fresno Co.) ..... CARPENTERIA

4' Flowers 1–3 cm wide; leaves 3-veined from base, deciduous; ovary 1/2 to completely inferior; petals oblong to elliptic ..... PHILADELPHUS


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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