Key to Sidotheca

View taxon page for Sidotheca

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

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

1. Involucre 

funnel-shaped 

Widening from the base more or less gradually through the throat into an ascending, spreading, or recurved limb; often applied to a fused calyx or corolla.

, white-margined, teeth fused 3/4; perianth 

lobes 

1. A major expansion or bulge, such as on the margin of a leaf, sepal, or petal, or on the surface of an ovary. 2. The free tips of otherwise fused structures, such as sepals or petals; larger than teeth.

with 3–5 

fringed 

Having ragged or finely cut margins.

lobes ..... S. emarginata

1' Involucres narrowly to widely obconic, 1-colored, teeth fused ± 1/2; perianth lobes 3-lobed.

2. Flower 1–2 mm, green-yellow to ± red; perianth lobed 1/5; 

bract 

Reduced, leaf- or scale-like structure subtending a branch, cone scale, peduncle, pedicel, or flower.

 

awns 

1. Bristle-like appendage or elongation, generally terminal. 2. Stiff, needle-like pappus element in Asteraceae.

0.2–0.5 mm ..... S. caryophylloides

2' Flower 2.5–4 mm, white to pink or ± red; perianth lobed 1/3–1/2; bract awns 0.8–1 mm ..... S. trilobata

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