Plants

Canna tuerckheimii - Canna, native to Ecuador (Specimen courtesy of University of California Botanical Garden, Berkeley, California)

Alcea rosea - Hollyhock, seed pod, diameter 1 in (2.5 cm) (Specimen courtesy of University of California Botanical Garden, Berkeley, California)

Alcea rosea - Hollyhock, seed diameter 0.25 in (6 mm) (Specimen courtesy of University of California Botanical Garden, Berkeley, California)

Canna tuerckheimii - Canna, native to Ecuador (Specimen courtesy of University of California Botanical Garden, Berkeley, California)

Fallugia paradoxa - Apache Plume, Xerophytic Fern, New Mexico (Specimen courtesy of University of California Botanical Garden, Berkeley, California)

Magnolia seeds and pods (Specimen courtesy of University of California Botanical Garden, Berkeley, California)

Oroxylon indicum - Indian Trumpet Tree seed, seed, diameter 3 in (7.5 cm)

Romneya Coulteri - Matilija Poppy pod, 1.5 in (40 mm), native to California (Specimen courtesy of University of California Botanical Garden, Berkeley, California)

Romneya Coulteri - Matilija Poppy pod, 1.5 in (40 mm), native to California (Specimen courtesy of University of California Botanical Garden, Berkeley, California)

Tradescantia spathacea, Stoma (breathing pore on a leaf, image width 250 microns)

Tradescantia spathacea, Stoma (breathing pore on a leaf, image width 250 microns)