plant species and families

Asteraceae, Achillea millefolium, inflorescence of head subtended by an involucre, sepals absent or modified into pappus of scales, awns, or bristles, never green

Plantaginaceae, Penstemon aridus, Linaria dalmatica, 5 fused petals, corolla bilabiate, 4 epipetalous stamens

Boraginaceae, Mertensia oblongifolia, Cynoglossum officinale, scorpioid cyme inflorescence, superior ovary 4 lobed, fruit of 4 nutlets

Saxifragaceae, Heuchera parvifolia, basal leaves, scapose, 5 sepals and petals, 5-10 stamens, 2-5 carpels, superior ovary

Ranunculaceae, Delphinium bicolor, Mostly perennial herbs or woody vines, estipulate, most perfect, petals 4-5, multiple stamens, multiple carpels, superior ovary

Orchidaceae, Calypso bulbosa, bilateral symmetry, 3 petaloid sepals, 3 petals, 1 lip petal; stigma, style, anthers, and filaments all in column, pollinia, glob that holds pollen

Iridaceae, Iris missouriensis, 3 petaloid sepals, 3 petals, 3 stamens, petaloid carpels

Liliaceae, Fritillaria pudisa, Erythronium grandiflorum, 3 sepals petaloid, 3 petals, 6 stamens, 3 fused carpels

Salicaceae, Salix sp., catkin inflorescence, elongated flowers, lack of petals and sepals, dioecious.