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Tamarind monograph.pdf - Crops for the Future

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pubescent - covered with hairs, especially short, soft and down-like.<br />

pulvinus - a swelling at <strong>the</strong> base of a leaf or leaflet.<br />

raceme - a simple inflorescence of pediceled flowers upon a<br />

common more or less elongated axis.<br />

rachis - <strong>the</strong> main stalk of a flower cluster or <strong>the</strong> main leafstalk of a<br />

compound leaf.<br />

radicle - <strong>the</strong> portion of <strong>the</strong> embryo below <strong>the</strong> cotyledons that will<br />

<strong>for</strong>m <strong>the</strong> roots.<br />

reticulate - in <strong>the</strong> <strong>for</strong>m of a network, netveined.<br />

retuse - with a shallow notch at a rounded apex.<br />

scarify - to scar or nick <strong>the</strong> seed coat to enhance germination.<br />

scurfy - covered with tiny, broad scales.<br />

self pollination - <strong>the</strong> transfer of pollen from <strong>the</strong> an<strong>the</strong>r of a flower to <strong>the</strong><br />

stigma of <strong>the</strong> same flower, or different flowers on <strong>the</strong> same<br />

plant.<br />

sepal - a division of a calyx; one of <strong>the</strong> outermost circle of<br />

modified leaves surrounding <strong>the</strong> reproductive organs.<br />

sessile - without a stalk.<br />

sheath - a tubular envelop.<br />

stamen - one of <strong>the</strong> male pollen-bearing organs of <strong>the</strong> flower.<br />

staminode - a sterile stamen, or any structure without an an<strong>the</strong>r<br />

corresponding to a stamen.<br />

stigma - that part of a pistil through which fertilisation by <strong>the</strong><br />

pollen is effected.<br />

stipule - an appendage at <strong>the</strong> base of a petiole, often appearing in<br />

pairs, one on each side, as in roses.<br />

style - <strong>the</strong> usually attenuated portion of <strong>the</strong> pistil connecting <strong>the</strong><br />

stigma and ovary.<br />

symbiotic - <strong>the</strong> living toge<strong>the</strong>r of different species of organism which<br />

may or may not be to <strong>the</strong>ir mutual benefit.<br />

testa - <strong>the</strong> outer seed coat.<br />

tomentose - covered with a thick felt of radicles; densely pubescent<br />

with matted wool.<br />

transverse - cross-wise in position.<br />

tropism - <strong>the</strong> movement of an organism in response to an external<br />

source of stimulus, usually toward or away from it.<br />

zygomorphic - capable of division by only one plane of symmetry.<br />

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