Gallery

spikelets enclosed by fascicles

spikelet enclosed by fascicle of bristles

spikelet; photo by Mark Thurmond

florets in dorsal view showing lemma (left) and ventral view showing palea (right)

caryopses in dorsal view (left) and ventral view (right); photo by Mark Thurmond

A, fascicle of bristles enclosing spikelet; B, spikelet in dorsal view showing upper glume; C, spikelet in ventral view showing sterile lemma; D, floret in ventral view; E, floret in dorsal view; F, caryopsis in ventral view; G, caryopsis in dorsal view; drawing by Lynda E. Chandler

achene with pappus

achene, detail

achene, detail

apex showing stylar remains

base showing attachment scar

herbarium specimen of plant

seeds

seeds

A, seed; B, longitudinal section of seed showing embryo; C, transection of seed; drawing by Lynda E. Chandler

chalazal end of seed

hilar end of seed

surface detail of seed

seeds

seeds

A, seed; B, longitudinal section of seed showing embryo; C, transection of seed; drawing by Lynda E. Chandler

chalazal end of seed

hilar end of seed

fruits

surface detail of seeds

seeds

seeds

lens and hilum of seed

pods

pod

pod opened revealing endocarp chambers

A, pod; B, seed; C, longitudinal section of seed showing embryo; D, transection of seed; drawing by Lynda E. Chandler