Aloes and Lilies of Ethiopia and Eritrea

332 ALOES AND LILIES OF ETHIOPIA
muricate with a rough surface covered with short hard projections or
tubercles.
ovary the part of the pistil which contains the ovules.
ovate a flat structure which is egg-shaped in outline with the broadest
part near the base.
panicle a complex, branched inflorescence.
papilla (pl. papillae) a minute outgrowth.
papillate covered with papillae.
paraphyletic a taxon that contains some, but not all, descendants of the
most recent common ancestor of the group.
pedicel the stalk of a single flower.
peduncle the stalk that bears an inflorescence consisting of two or more
flowers.
pedunculate with peduncles.
perianth the floral leaves, if undifferentiated called tepals, if
differentiated the outer are called sepals, the inner petals.
petiole the stalk of a leaf on which the blade is borne.
phylloclade a flattened photosynthesising stem.
placentation the arrangement of the ovules in the ovary.
plicate folded lengthwise, like a fan.
plesiomorphic having an ancestral character state.
polyphyletic evolved from more than one ancestral group.
protandrous when the anthers discharge pollen before the stigma (in the
same flower) is receptive.
puberulous covered with very short fine hairs, or slightly hairy.
pubescent with a covering of soft hairs.
raceme an indeterminate inflorescence in which the flowers are borne
along a single axis with the uppermost the youngest, each flower
with a stalk of about the same length.
racemose arranged like a raceme.
rachis the axis of a compound leaf; the axis of an inflorescence.
radially symmety see actinomorphic.
rhipidium (pl. rhipidia) inflorescence consisting of umbellate clusters.
rhizome a root-like stem on or beneath the ground with roots growing
downwards, and leaves and shoots upwards.
rosulate when the leaves are in a rosette.
rugose with wrinkles or grooves on the surface.
rugulose delicately wrinkled.
saccate bag-shaped or sack-shaped, pouched.
scabrid (scabrous) rough to touch, usually caused by the presence of very
short stiff hairs.
scandent a general term for climbing.
scape a flower stalk (peduncle) without leaves that arises from the
ground.
scarious thin and dry, not green.
secund one sided; as for example flowers which are attached along one
side of the axis.
septicidal opening at or along the separating walls (or septum).
serrate (serrulate) with teeth like a saw, the teeth more or less regular
and pointing forwards.
sessile without a stalk.
sheath a tubular structure that encloses an organ or the basal part of it.
spathaceous like a spathe.
spathe a large bract enclosing or supporting an inflorescence.