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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.

 

A. nuttallianus DC. SMALL-FLOWERED MILKVETCH
NATIVE
Annual, slender; minutely strigose.
Stem: prostrate or ± ascending, 4–45 cm.
Leaf: 1.5–6.5 cm; leaflets 5–13, 2–10 mm, at least upper elliptic, acute at tips, lower blunt or not, notched at tip.
Inflorescence: flowers 1–4.
Flower: 4–7 mm; corolla ± white, faintly lilac-tinged (± purple).
Fruit: 10–20 mm, 2–3 mm wide, linear in side view, gently curved near base, ± straight toward tip, ± 3-sided (laterals ± convex, lower grooved), maturing dark brown or ± black, glabrous or minutely strigose; chambers ± 2. See note under Astragalus acutirostris; vars. intergrade; Astragalus nuttallianus var. austrinus (Small) Barneby (calyx lobes generally 1.8–2.8 mm, hairs 0.7–1.2 mm, spreading, stiff) near CA, in w AZ. [Online Interchange]

Key to Astragalus nuttallianus

1. Calyx lobes gen 1.8–2.8 mm, hairs 0.7–1.2 mm, spreading, very stiff ..... var. austrinus

1' Calyx lobes gen 1–1.7 mm, hairs 0.5–0.8 mm, ascending, not very stiff

2. Lflet tips notched on lower lvs, acute on upper; calyx tube 1.4–1.7 mm ..... var. cedrosensis

2' Lflet tips acute; calyx tube 1.9–2.8 mm ..... var. imperfectus

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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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