S Flashcards
Saccate
in relation to perianth or ovary
bag-shaped, like a pouch
Sagittate
shaped like the head of an arrow
Samara
a winged nut
Scaberulous (scabrid)
somewhat rough
Scabrous (scabrid)
rough to the touch. usually due to short. stiff hairs
Scandent
climbing
Scape
a leafless flower stalk arising from a rosette of basal leaves
Scarious
applied to bracts which are not fleshy but thin and dry or membranous
Scleophyllous
hard or leathery: leaves usually with thick cuticles and sunken stomata
Scorpioid
a cyme in which the lateral branches are developed on opposite sides alternate.
Scurfy
covered with rninute loose scales
Sepal
0ne of the parts of the calyx
Sepaloid
said of a perianth or corolla that resembles sepals in appearance
Septate
divided by partitions
Septicidal
when a capsule splits open through dissepiments and the carpels fall apart separately
Serrate
toothed like a saw
Serrulate
rninutely serrate
Sessile
wi1hout a stalk. applied to flowers and leaves which arise fron1 the stem
Seta
a bristle or stiff hair
Setaceous
bristle-like; applied to a stern it means slender
Setose
covered with bristles.
Serulose
resembling a fine bristle
Sheathing
the stalk or blade of a leaf more or less encircling the stem
Shrub
a woody plant of smaller structure than a tree and one that produces shoots or trunks from the base
Sigmoid
5-shaped, as of leaf. or pedicel bearing a flower as in some species of Eremophila
Silicula
the seed-pod of some Brassicaceae composed of 2 carpels and usually less than 3 times as long as broad
Siliqua
the seed-pod of some Brassicaceae composed of 2 carpels and usually more than 3 times as long as broad
Simple
opposite of compound. e.g. a simple leaf is not divided into leaflets
Sinuate
having a wavy outline
Sinus
the recess between two lobes of a leaf (as in Dryandra); or of an organ. e.g. junction between lateral sepals in Pterostylis
Sorus (pl. sori)
the- clusters of fruiting bodies of ferns; usually appearing on the under surface of the frond
Spathe
the- bract or leaf enclosing a flower cluster. e.g. the white petaloid section of the Arum lily.
Spathiole
a small spathe
Spathulate
spoon-shaped - as of a leaf: broadest at the outer end and gradually narrowing towards the base.
Sphaeroidal
(more/less) globular
Spicate
arranged in a spike
Spike
an indefinite inflorescence of sessile flowers
Spikelet
a secondary spike bearing one or several flowers. subtended by a common pair of glumes, as in Gramineae and Cyperaceae
Spinescent
spiny
Spinule
a small spine
Sporangium (pl. sporangia)
a sac containing spores as in ferns
Spore
a simple reproductive body. usually composed of a single cell containing no embryo, found particularly in the ferns and lower orders.
Sporocarp
a receptacle containing spores or sporangia
Sporophyll
a leaf which bears spores or sporangia
Spur
a hollow, slender protuberance from the base of the calyx or corolla, usually containing a nectar-secreting gland
Squarrose
rough with spreading projections such as the tips of bracts
Stamen
the male organ of seed-forming plants. consisting of the pollen-bearing anther supported by the filament
Staminal ring
scar of the filament bases of stamens in a Eucalyptus flower-bud
Staminate
applied to a flower which has stamens but no pistil
Staminode
a sterile stamen. or a structure resembling a stamen and borne on the stamina! part of the flower
Standard
the broad upright petal of a papilionaceous flower
Stellate
star-shaped. refers to branched hairs
Sterile
lacking functional sex organs
Stigma
the female pan of the flower which receives the pollen and is supported by the style
Stigmatic
pertaining to a stigma
Stripe
the stalk of a pistil or other small organ; the petiole of a fern leaf
Stipella (or stipel)
a small secondary stipule, usually found at the base of leaflets
Stipitate
shortly stalked
Stipule
one of a pair of tiny appendages which may be present at the base of a petiole
Stock
the portion of the stem and roots in a herbaceous perennial that docs not die during the season.
Stolon (sucker or runner)
a basal branch growing prostrate along or just below the ground, rooting at intervals and forming new plants.
Stoloniferous
sending out or propagating by stolons
Striate (striae)
with fine parallel lines. grooves or ridges
Strigose
leaves covered with strigae. i.e. straight rigid. closely-pressed rather short bristle-shaped hairs.
Strophiole
a small hard appendage outside the testa of a seed
Style
the stalk joining the stigma to the ovary of the pistil
Style-end
pollen-presenter region as in Grevillea
Subulate
awl-shaped
Succulent
juicy or fleshy
Sulcate
grooved or furrowed lengthwise
Superior
(as of ovary) lies upon the receptacle
Suture
a line of union as in a fruit
Sympatric
see allopatric
occurring in one area
Synangium
an aggregated or composite sporangium with a series of loculi
Syncarpous
an ovary or fruit composed of united carpels
Syngenesious
stamens jointed by their anthers. forming a cylinder round the style