sieve tube

Listing 1 - 10 from 12 for sieve tube

On-Line Glossary: P
... . See polymerase chain reaction. pellet. The material concentrated at the bottom of a centrifuge tube after centrifugation. (10) peloderan. In nematodes: Caudal alae that meet posterior to the ... to one or more particular named characteristics. (16) phloem. Food-conducting tissue, consisting of sieve tubes, companion cells, phloem parenchyma, and fibers. (2) phragmobasidium. A basidium that is ...
ppathw3.cals.cornell.edu

On-Line Glossary: S
... their place. (2) sieve plate. Perforated wall area between two phloem sieve cells through which they are connected. (2) sieve tube. A series of phloem cells forming a long cellular tube through which food materials ...
ppathw3.cals.cornell.edu More from this site

Introduction to the Flowering Plants
... phloem works!) . . sieve tube companion cell Ovule (unfertilized seed) completely enclosed within the megasporophyll (carpel) with two integuments around the megasporangium (nucellus). Incompatibility mechanisms - The pollen tube must ... within the ovule. Double fertilization with both male gametes in the pollen tube functional is unique to the Angiosperms. The further development of the carpel(s ...
scitec.uwichill.edu.bb

Stem & Root Anatomy
... downward in plant stems. It is composed of sieve tubes (sieve tube elements) and companion cells. The perforated end wall of a sieve tube is called a sieve plate. Thick-walled fiber cells are also associated ...
waynesword.palomar.edu

Virtual Gallery: Plant Structure (7)
... ) stem, showing basic tissue types. 1:7 Transverse section of Ranunculus (angiosperm) primary phloem, showing sieve tube cells with companion cells. 1:8 Macerated wood. 1:9 Lycopodium stem in longitudinal section ...
www.ucmp.berkeley.edu

Angiosperm Families - Aceraceae Juss.
... medullary rays wide (occasionally), or narrow. Wood ring porous; not storied; parenchyma paratracheal. Sieve-tube plastids S-type. Reproductive type, pollination. Plants andromonoecious, or dioecious, or androdioecious. ... 1 whorled; polysepalous, or gamosepalous. Calyx lobes when gamosepalous, markedly longer than the tube. Degree of gamosepaly (maximum length joined/total calyx length) 0–0.25. ...
delta-intkey.com

Angiosperm Families - Achatocarpaceae Heimerl.
... a conventional cambial ring. ‘Included’ phloem absent. Xylem with vessels. Vessel end-walls simple. Sieve-tube plastids P-type; type III (a). Reproductive type, pollination. Plants dioecious. Female flowers without staminodes ...
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MY CARNIVOROUS PLANTS
... but may axceed 90 cm. The wing is rather undeveloped and the tube is slim and green for the greater part of its length, ... layers of moss peat by scattering dry moss peat through fine kitchen sieve till seeds disappear from view, then damping this with hand sprayer. ... pitchers, which are shorter and broader, the bulbous part of the upper tube being so inflated as to be bell-like, while the mouth is ...
home.wanadoo.nl/aryenadahobbelhovestad

Wiscosnin Lichens: Common names
... Ruby Ruffle Saucer Scribble Script Sea-storm Shadow-crust Shag Shaggy-fringe Shield Shingle Sieve Soil ruby Soldiers Soot Southern soldiers Speckleback Speckled Split-peg Split-peg soldiers Spraypaint ... -jelly Tarpaper Texas shield Thorn Tile Tiny button Toadskin Tongue Tree-hair Treeflute Trumpet Tube Turban Urn-disk Vinyl Wand Whisker Wooden soldiers Yellow ribbon Yolk Home Vascular Plants ...
www.botany.wisc.edu

Chapter 3: Taxonomy, Page 1
... with vessels. Vessel end-walls mostly oblique; scalariform, or simple, or scalariform and simple. Sieve-tube plastids P-type; type II. Root anatomy. Root xylem with vessels (mostly with transverse ... cyclic (usually), or partially acyclic. Rarely the perianth acyclic, or the androecium acyclic. Perigone tube present, or absent. Perianth with distinct calyx and corolla, or of `tepals', or vestigial ...
www.plantapalm.com

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