dimorphic sterile

Listing 1 - 7 from 7 for dimorphic sterile

Ants
... . Worker ants, which are sterile females, are seldom winged. They often are extremely variable in size and appearance within a given species (monomorphic - one form; dimorphic - two forms; polymorphic - many ... wingless male who is capable of multiple matings. The wingless reproductives look like the sterile workers. These reproductives can make up almost 50% of a colony. The reproductive potential ...
edis.ifas.ufl.edu

PARKERIACEAE [Draft]
... with many longitudinal ridges on surface and many small vascular bundles inside. Frond dimorphic. Sterile frond ovately to lanceolately triangular, green, thin herbaceous, simple or pinnate; ultimate ... many stomate inside, around side with) many small vascular bundles inside. Frond(s) dimorphic. Sterile frond(s) lanceolately (triangular) to ovately triangular, green, thin herbaceous, simple or ...
hua.huh.harvard.edu

Bolbitidaceae [First Draft]
... scandent, dorsiventral, covered with ovate or lanceolate, brown scales. Leaves distant or tufted, dimorphic, simple or mostly  pinnate. Sterile leaves: petioles dark brown or blackish near the base, bearing scales ± ... ovate-lanceolate to lanceolate, subclathrate, 3-4 × 1.5-2 mm, brown-blackis. Leaves dimorphic; sterile leaves pinnate, 30-75 cm long; petiole 14-30 cm long, densely covered with ...
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Glossary of terms related to cacti
... or whole. Dichotomous Divided into two equal sized branches, usually applied to double headed plants. Dimorphic Having two different forms, commonly applied to the juvenile and adult forms of Turbinicarpus spines ... Flower.) Having both male and female flower parts. Perianth segment (Tepal) The leaf like and sterile parts of a flower, especially used if these parts are not distinguishable into calyx ...
www.mfaint.demon.co.uk

MBG: Research: Mesoamerica: Chrysochlamys
... a quite different and poorly known species. It has very short petioles and the dimorphic stamens of section Heterandra "externa fertilia, libera, interna sterilia in corpus centrale concreta" (Planchon & ... of Acosta (Fila Bustamante), Valle del General, the Osa Peninsula and vicinity. Flowering or sterile collections of this species may be difficult to separate from Chrysochlamys grandifolia, a ...
www.mobot.org

San Diego Fern Society Fern Catalog
... 60 in. long. Depending on location. It is dimorphic, fronds being either sterile or fertile. The fertile pinnae are highly contracted. ... with a neat, compact growth habit. This fern is dimorphic, bearing sterile fronds in a relatively flat circle and a fertile ... , Taiwan. A small creeping epiphyte with small, thick, shiny, simple dimorphic fronds. The sterile fronds, from which it gets it common name, ...
www.sdfern.com

Sunshine Farm and Gardens: Plant List 2001
... foliage, but the real treat is the pencil thick, 18" -24" stems of Raspberry-colored, sterile flowers that last for weeks and weeks. Heucherella 'Bridgette Bloom' Heucherella 'Rosalee' Hexastylis arifolium [Photo ... up to about 12-24". Mitchella repens An interesting evergreen groundcover that has pairs of dimorphic (dissimilar) white flowers united at the base and bear red berries in the Autumn. The ...
www.sunfarm.com