large tubercles

Listing 1 - 10 from 34 for large tubercles

Trichocereus chiloensis
... stems 10-12.5 cm in diameter ; 10 to 17 low and broad ribs, separated by narrow intervals, divided into large tubercles even when fully mature. Areoles/Spines: Areoles large whitish, 2 cm apart. Spines yellowish with brown tips, at least when young, greyish later; 1 to 4 centrals, porrect, often stout, 5-7 cm (or even 12 cm); 8 to ...
cactus-art.biz

Untitled Document
... Zacatecas in Mexico. Parras Coahuila is famous for A. lloydii. The best plants, which have large tubercles, come from the backcountry of Durango. However, today, these may be extinct. Fortunately, genes ... five-ribbed Astrophytum myriostigma. If they are the same diameter, the three- ribbed has larger tubercles than the five- ribbed. This rule also is applicable to other Ariocarpus species. As to ...
shaboten.com

Opuntia tunicata, thistle cholla
... Link & Otto Family: Cactaceae (cactus) Common name: thistle cholla Synonym: O. davisii Bushy or matted cactus with crowded much-branched cylindric stems. Stem segments to 15 cm (6 in) long and 2 cm (0.8 in) thick, with large tubercles to 1.5 cm (0.6 in) long. Spines straight, barbed, 6-10 per areole, to 5 cm (2 in) long, brownish. ...
www.biosurvey.ou.edu

Cactus curiosities
... originated from the napiform root subsequently to a damage of the stem which dropped off all the tubercles (For an excess of heat during the winter rest in the home near a heating radiator) * ... in some cactus species when roots have been injured or felled, but this specie produce naturally a large numbers of them and can develop into a small colony. * * * Compass cactus Pterocactus megliolii When I ...
cactus-art.biz

Angiosperm Families - Chenopodiaceae Vent.
... ; accrescent, or non-accrescent. Calyx (interpreting the perianth as such) (1–)3–5(–6); gamosepalous (nearly always), or polysepalous (in Salsola?); commonly becoming appendaged with spines, tubercles or wings; fleshy (commonly), or non-fleshy (then usually herbaceous or membranous); persistent (in the fruit); accrescent (usually, enclosing the fruit and often appendaged with wings, tubercles or ...
delta-intkey.com

PLAGIOGYRIACEAE [Draft]
... winged. Pinnae 15–30 pairs, subsessile or short-stalked; some proximal pinnae becoming aerosphere like vestiges or replaced by auriculate pinnae. Paraphyses absent. Spores yellow, with reddish tubercles. Densely forested mountains, moist ravines, rocky slopes, 500–2500 m. Guangxi, Guizhou, Hubei, Hunan, Sichuan, Taiwan, Yunnan [Japan (Yakushima), Philippines (Luzon), Vietnam]. "Plagiogyria ...
hua.huh.harvard.edu

Thelymitras Page 250
... notched, fringed, bifed or cleft to varying degrees. The hood encloses and protects the pollinias, the large oval stigmatic plate covers most of the space below, the column can be broadly winged and ... to the segments. The apex and behind the anthers can be variously adorned with glands, calli and tubercles. With some species there is a conspicuous crest that is mostly half-moon shaped, with others ...
members.iinet.net.au

Vegetative Terminology (Part 2)
... this cactus are often sterile. Center: Buckhorn cholla (O. acanthocarpa), another Opuntia with cylindrical stem segments. The spine clusters arise from ribbed, raised areas along the stem called tubercles (red arrow). Right: Opuntia chlorotica, a prickly pear Opuntia with flattened stem segments. This interesting southern California species is often called "pancake pear." Jumping Cholla: The Most ...
waynesword.palomar.edu

San Marcos Mountains
... in disturbed areas. San Diego Wreath Plant (Stephanomeria diegensis) This is a tall annual with a large, thick taproot. It is native to chaparral areas of San Diego County. During late spring and ... to 12 achenes representing 12 separate flowers. The achenes are longitudinally ribbed with rows of minute tubercles, and with a narrow groove (crack) between the tuberculate ribs. In the Jepson Manual of ...
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Opuntia imbricata, tree cholla
Opuntia imbricata, tree cholla Opuntia imbricata (Haw.) DC. Family: Cactaceae (cactus) Common name: tree cholla Large cactus to 2.5 m (8 ft) tall. Stem segments dark green, cylindrical, to 35 cm (14 in) long and 3 cm (1.2 in) thick, with prominent tubercles. Spines red to pink, barbed. Central 1-8 spines about 3 cm ( ...
www.biosurvey.ou.edu