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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.

 

NAMA PURPLE MAT

Sarah Taylor


Perennial herb or generally annual, hairy. Leaf: cauline, generally alternate, margin crenate-dentate or generally entire, wavy, flat, or rolled under. Inflorescence: heads or generally clusters, terminal, not coiled, or flowers 1–2 in leaf axils; bracts 0 or generally leaf-like. Flower: calyx generally free from ovary; corolla salverform to bell-shaped, occasionally cylindric; stamens generally attached to corolla at different levels, generally unequal, part fused to corolla generally narrow-winged, scales at base 0; styles 1–2. Fruit: generally loculicidal, ovoid to elliptic. Seed: generally many, small, red-brown, brown, black, or yellow to orange.
± 55 species: southwestern United States, tropical America, Hawaii. (Greek: a stream) Nama lobbii A. Gray now in Eriodictyon.
Unabridged references: [Ferguson 1998 Syst Bot 23:253–268; Hitchcock 1933 Amer J Bot 20:415–430, 518–534]

Key to Nama

1. Perennial herb; flowers in heads; leaf crenate-dentate ..... N. rothrockii

1' Annual; flowers in clusters or 1–2 in leaf axils; leaf entire

2. Calyx fused to ovary in lower 1/3–1/2; leaf margins wavy, generally ± rolled under ..... N. stenocarpa

2' Calyx free from ovary; leaf margins flat or rolled under, not wavy

3. Corolla 1–3 mm, bowl- or bell-shaped, basal tube ± 0.5 mm; styles 2; seeds <= 4 ..... N. californica

3' Corolla > 2 mm, if bowl- or bell-shaped then basal tube 0 or indistinct; styles 1–2; seeds > 4

4. Style 1, lobed < 1/2 length

5. Corolla limb > 3.5 mm diam, lobes >= 2 mm wide ..... N. aretioides

6. Style 1–2 mm ..... var. californica

6' Style 3–7 mm ..... var. multiflora

5' Corolla limb < 3.5 mm diam, lobes < 2 mm wide ..... N. densa

7. Plant gray-canescent, hairs generally spreading, rough; style 0.3–1 mm ..... var. densa

7' Plant green, hairs generally sparse-bristly-strigose; style (0.6)1–2.5 mm ..... var. parviflora

4' Styles 2

8. Corolla limb < 4 mm diam

9. Calyx lobes glandular ..... N. dichotoma var. dichotoma

9' Calyx lobes nonglandular

10. Leaf sessile; sepals generally pale green; corolla funnel-shaped or salverform; seeds oblong to ovoid, ± cross-ridged ..... N. depressa

10' Leaf petioled; sepals white- or gray-canescent at least in basal 1/3–1/2; corolla cylindric to ± funnel-shaped; seeds irregular, ± net-like ..... N. pusilla

8' Corolla limb 5–14 mm diam

11. Stem ascending to erect; seeds fusiform, yellow to orange ..... N. hispida var. spathulata

11' Stem prostrate; seeds spheric to ovoid, brown to black ..... N. demissa

12. Leaf petioled, elliptic to diamond-shaped; plant generally gray-green ..... var. covillei

12' Leaf sessile, linear to spoon-shaped; plant generally green ..... var. demissa

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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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