pollen sacs

Listing 1 - 10 from 37 for pollen sacs

Angiosperm Families - Columelliaceae D. Don
... alternating with the corolla members; filantherous (with short, stout filaments). Anthers connivent; with a broad connective; dehiscing via longitudinal slits; bilocular (large, the pollen sacs undulately plicate and twisted). Pollen grains aperturate; 3 aperturate; colporate. Gynoecium 2 carpelled. Carpels reduced in number relative to the perianth. The pistil 1(–2) celled. Gynoecium syncarpous; ...
delta-intkey.com

Angiosperm Families - Cucurbitaceae Juss.
... and unbranched (commonly there are three stamens, two bifurcated and with two pairs of pollen sacs each, the other unbranched and conventional with two pollen sacs), or unbranched; usually adnate (to the hypanthium); variously coherent (by connate filaments, or in Cucurbita by cohesion of the anthers into a column), or free of one another; when coherent, commonly 1 adelphous (i.e ...
delta-intkey.com More from this site

The Cycad Pages
... cones and each with a simple sterile apex, which is often produced into an upturned spine. Each microsporophyll bearing numerous microsporangia (pollen sacs) on its abaxial surfaces. Microsporangia opening by slits. Pollen cymbiform, monosulcate. Megasporophylls: loosely or tightly imbricate, spirally arranged in an indeterminate terminal rosette with the central axis continuing vegetative growth. ...
plantnet.rbgsyd.nsw.gov.au

Life Cycles Public Phenology Database
... flower 2001-02-13 Natchez MS Notes: high-climbing vine dropping yellow flowers onto forest floor Juniper, Alligator Juniperus deppeana Pollen sacs on some trees 2001-02-27 Nogales AZ Notes: Lilac, common Syringa vulgaris Full bloom 2001-04-25 Inwood WV Notes: Manzanita, Pointleaf Arctostaphylos pungens First flower 2001-02-27 Nogales AZ Notes: 4100 to ...
sws-wis.com

Life Cycles Public Phenology Database
... First flower 2001-02-13 Natchez MS Notes: high-climbing vine dropping yellow flowers onto forest floor Juniper, Alligator Juniperus deppeana Pollen sacs on some trees 2001-02-27 Nogales AZ Notes: Lady Banks Rose Rosa Banksia First flower 2002-03-01 Castro Valley CA Notes: Lilac, common Syringa vulgaris Full bloom 2001-04-25 Inwood WV Notes: ...
sws-wis.com More from this site

Ornamental Grasses:
... : 4-9 Height: 5 to 7' Light Requirements: Sun Soil/Moisture: Tolerates a range of soil conditions including clay; drought tolerant Form/Texture: Clump Inflorescence: Copper inflorescence with yellow pollen sacs in August; narrows upon drying becoming chestnut brown; remains attractive most of winter; good in fresh or dry arrangements Comments: Warm season grass; variable in height, form and color ...
www.ces.ncsu.edu

Ornamental Grasses:
... Sheets Consumer Hort Hardiness Zones: 4-9 Height: 15" Light Requirements: Sun Soil/Moisture: Well drained soil Form/Texture: Tufted mound Inflorescence: Early spring flowers are black with cream yellow pollen sacs Comments: Leaves are mostly green in early spring; becomes blue by early summer; remains blue in winter Cultivars: -- List by Scientific Name | Ornamental Grasses | List by Common Name ...
www.ces.ncsu.edu More from this site

Cycad Society SA: Encephalartos lehmannii
... 10cm. The cone is made up of spiral rows of cone scales, each about 2,5cm broad and lcm thick. The end of each scale forms a beak which projects about 1,5cm. The bottom surface of each scale is covered with pollen sacs. The female cone is more or less barrel-shaped and 30cm to 50cm long, with a diameter of 15cm to 25cm. The cone scales at the ...
www.cycadsociety.org

Horticulture: Collection and Storage of Cycad Pollen
... you and your plants. Cycads are dioecious (possessing separate male and female plants). Male plants produce pollen and females produce seeds. Male cones are typically thinner and taller than female cones. Most species ... the exception, and I will cover this below. With few exceptions (a couple of Zamia species), pollen sacs are located on the underside of the cone scales. You will notice that some of ...
www.plantapalm.com

The Cycad Pages
... cones and each with a simple, peltate sterile apex, which is not produced into a terminal spine. Each microsporophyll bearing numerous microsporangia (pollen-sacs) on the undersurface. Microsporangia opening by slits. Pollen cymbiform, monosulcate. Male cones stalked, ovoid. Megasporophylls: spirally orthostichous, aggregated into female cones. Sporophylls simple, with a dilated peltate apex or ...
plantnet.rbgsyd.nsw.gov.au