bundles absent

Listing 1 - 7 from 7 for bundles absent

Angiosperm Families - Implicit Attributes
... absent. Lamina without secretory cavities. Cystoliths absent. The mesophyll without etherial oil cells; not containing mucilage cells; without sclerenchymatous idioblasts. Stem anatomy. The cortex without cristarque cells. Cortical bundles absent. Medullary bundles absent. Internal phloem absent ...
delta-intkey.com

Angiosperm Families - Acanthaceae Juss.
... . Cortical bundles absent. Medullary bundles present (rarely), or absent. Internal phloem present, or absent. Secondary thickening developing from a conventional cambial ring. ‘Included’ phloem absent. ... absent. Flavonols present (rarely), or absent; when present, kaempferol and quercetin (traces). Ellagic acid absent (8 species, 7 genera). Saponins/sapogenins present (rarely), or absent. ...
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Athyriaceae [First Draft]
... . Fronds approximate; stipes nearly as long as lamina, chestnut-brown or stramineous, with two vascular bundles (upwards united as "U" in transverse section of upper part of rachis), more or less ... lower parte and the base of costules of lowest segments sparsely short-glandular pubescent, or absent. Sori oblong, medial on veinlets, biserial along two sides of costules, spaced each other. Spore ...
hua.huh.harvard.edu

Sinopteridaceae [First Draft]
... along commisural vein which connecting vein tips, linear (Onychium, Doryopteris). Indusia present (Notholaena absent), formed by reflexed and somewhat modified leaf margin (false indusia). Spores usually ... or approximate. Petiole straw-colored or sometimes chestnut-brown, glabrous, with 2 vascular bundles at base, adaxially sulcate. Blade ovate-deltate, ovate-lanceolate, less often elongate- ...
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Yucca & Yucca Moth
... , yuccas cultivated in the Old World, where yucca moths are absent, will not produce seeds unless they are hand pollinated. Chaparral ... Plants Yuca (Merremia aurea) in Baja California Yucca leaves contain bundles of elongate fiber cells which can easily be pulled ... a pollen ball (pollinium). These enlarged, specially adapted palpi are absent in the male yucca moth. Several pollinia (pollen masses) ...
waynesword.palomar.edu

MBG: Research: Projects: South America: Venezuelan Guayana
... , or other brightly colored latex. Leaves opposite, whorled, or alternate, simple, entire; stipules absent, but small gland-like structures sometimes present at base of petiole. Inflorescences terminal ... decussate, imbricate, or convolute, rarely lacking. Stamens usually numerous, often grouped in 2-5 bundles opposite the petals, some stamens or fascicles often replaced by staminodia, or stamens ...
www.mobot.org

Palms in the Cultural Landscape of the Dominican Republic
... disassociated from the control of physical factors, it should be noted that palms are conspicuously absent in areas devoted exclusively to the monoculture of rice or sugar. The Utility of Palms ... goods for transport (Fig. 17). Antonini also notes the use of palm cordage in wrapping bundles of tobacco. Fronds of cana are also interlaid in tobacco piled for curing and have ...
www.palms.org