Jepson eFlora: Key page
Vascular Plants of California
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Key to Lycium

View taxon page for Lycium

(For a list of species in Lycium, use the above link.)

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

1. Seeds 2;  ± round to ±  in ×-section ..... L. californicum

1' Seeds several to many;   to ± flat in ×-section

2. Calyx  1/2 to > tube or generally > 2 mm

3. Fruit firm, green-purple or yellow to orange

4. Leaves glandular-puberulent, not glaucousfruit yellow to orange, with 2 cross-grooves above middle ..... L. cooperi

4' Leaves glabrousglaucousfruit green-purple, not cross-grooved ..... L. pallidum var. oligospermum

3' Fruit soft, red

5. Stamens glabrous, attached near tube top ..... L. verrucosum

5' Stamens hairy at base, attached near tube middle.

6. Leaves generally glabrouscorolla generally 4-lobed ..... L. brevipes var. hassei

6' Leaves glandular-puberulent; corolla 5-lobed ..... L. parishii

2' Calyx  < 2/3 tube or generally < 2 mm

7. Branches curved to arched, thorns 0–1(2) cm ..... L. barbarum

7' Branches not curved to arched, thorns 1–5 cm

8. Corolla  1/3 to = tube ..... L. brevipes var. brevipes

8' Corolla  < 1/3 tube

9. Plant glandular-hairy ..... L. fremontii

9' Plant ± glabrous

10. Corolla  margin glabrous to finely straight-ciliate;  ± linear-oblanceolate ..... L. andersonii

10' Corolla  margin woolly-ciliate;  narrowly oblanceolate to obovate ..... L. torreyi

 

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Citation for the whole project: Jepson Flora Project (eds.) . Jepson eFlora, http://ucjeps.berkeley.edu/eflora/ [accessed on ]

Citation for an individual treatment: [Author of taxon treatment] [year]. [Taxon name] in Jepson Flora Project (eds.) Jepson eFlora, [URL for treatment]. Accessed on .

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