Key to Pogogyne

View taxon page for Pogogyne

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

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

1. Corolla inconspicuous, 2.5–8 mm, ± 

included 

Not protruding out of surrounding structure(s) (e.g., stamens included in corolla).

in bracts, calyces; fertile stamens 2, lower pair only, < 2 mm, upper pair of stamens sterile and vestigial or 0

2. Inflorescence elongate, spike-like, generally ± from plant base ..... P. floribunda

2' Inflorescence generally short, head-like, ± from plant top

3. Plant inconspicuous; stem slender, ± 0.5 mm diam, generally 

prostrate 

Lying flat on the ground.

to 

decumbent 

lying mostly flat on the ground but with tips curving up.

; fruit 1–1.3 mm; grassy areas ..... P. serpylloides

3' Plant conspicuous; stem stout, ± 1 mm diam, generally 

ascending 

Curving or angling upward from base, or about 30-60 degrees less than vertical or away from axis of attachment.

to 

erect 

Upright; vertically oriented.

; fruit 1.5–2.5 mm; vernal pools, swales, drainages ..... P. zizyphoroides

1' Corolla conspicuous, 9–20 mm, 

exserted 

Protruding out of surrounding structure(s) (e.g., stamens exserted from corolla).

from bracts, calyces; fertile stamens 4, upper and lower pairs, lower pair > 3.5 mm

4. Inflorescence 1–3 cm wide; lower calyx 

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.

> 1.5 × upper; vernal pools, swales, n of Point Conception (Santa Barbara Co.) ..... P. douglasii

4' Inflorescence <= 2 cm wide; lower calyx lobes < 1.5 × upper; coastal mesas, terraces (San Diego Co.), creek beds (Monterey Co.)

5. Inflorescence generally < 10 mm wide; calyx 

lobe 

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.

tip extension 0 or short; 

bract 

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

tips generally 

obtuse 

Having a short-tapered, blunt tip or base, the sides convex or straight and converging at more than a right angle.

to rounded; creek beds, swales (Monterey Co.) ..... P. clareana

5' Inflorescence 8–20 mm wide; calyx lobe tip extension elongate, pointed; bract tips narrowly 

acute 

Having a short-tapered, sharp tip, the sides convex or straight and converging at less than a right angle.

to 

acuminate 

Having a long-tapered, sharp tip, the sides concave.

; vernal pools (San Diego Co.)

6. Calyx outer surface with dense, generally curved hairs; inflorescence 8–10 mm wide ..... P. abramsii

6' Calyx outer surface glabrous or hairs sparse, generally straight; inflorescence 10–20 mm wide – Otay Mesa ..... P. nudiuscula

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