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apical spine

Listing 1 - 10 from 11 for apical spine

Angiosperm Families - Asphodelaceae Juss.
... without cross-venules. Lamina margins entire, or serrate, or dentate (and often with an apical spine). Leaf anatomy. Stomata present; anomocytic, or tetracytic, or paracytic (rarely). Lamina dorsiventral, or ... pistil 3 celled. Gynoecium syncarpous; eu-syncarpous; superior. Ovary 3 locular. Gynoecium stylate. Styles apical. Stigmas 1; dry type (usually), or wet type. Placentation axile. Ovules 2–40 ...
delta-intkey.com

The Cycad Pages
... dentate obscurely dentate with (lateral spines) lateral spines mm long apical spine distinct from lateral spines not distinct from lateral spines apical spine mm long seeds mm long sarcotesta red orange yellow orange-brown ... 3--6 mm long, apical spine 2--16 mm long -- Cycas yorkiana 5* Megasporophyll apex 50--55 mm long, with 22--24 lateral spines 1--4 mm long, apical spine 21--25 mm long ...
plantnet.rbgsyd.nsw.gov.au

Cycas aculeata
... mm wide, fertile zone 20-22 mm long, sterile apex 2-3 mm long, level, apical spine absent. The Cycad Pages The World List References and Links Home © 1998-2004 Royal Botanic ...
plantnet.rbgsyd.nsw.gov.au
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Angiosperm Families - Bromeliaceae Juss.
... , or modified into spines (usually thick and stiff, with internal water storage tissue, often spine-tipped); usually imbricate; sessile; sheathing. Leaf sheaths with free margins. Leaves simple. Lamina entire; ... superior to inferior. Ovary 3 locular. The ‘odd’ carpel anterior. Gynoecium stylate. Styles 1; apical. Stigmas 3; commissural; wet type, or dry type; papillate; Group II type and Group ...
delta-intkey.com

Bolbitidaceae [First Draft]
... cm, base ±symmetrical, broadly attenuate or truncate, margin slightly serrate-crenate, with a short spine in each sinus, apex acuminate, the two lowermost pinnae with short stalk; veins pattern: ... scales; lamina elliptic, 40-60 ×20-25 cm, thinly herbaceous, grayly brown when dry, apical part pinnatipartite to lanceolate lobes, subterminal with bulbil; rhachis not winged, densely covered with ...
hua.huh.harvard.edu

Henry Shaw Cactus Society - Plant of the Month
... hardy, and many have tuberous taproots. Many are clustering species, but some remain solitary. The spine colors are also variable -- yellow, reddish-brown and white. Many are comblike, having long, stretched ... Cristate and Monstrose Plants Non-branching plants have only one growth point -- the apex or apical meristem. In braching plants, each branch has its own growth point. Hormones produced at the ...
www.hscactus.org

John Merle Coulter
... fissured, with a broad wool-bearing groove or simply a more or less evident tomentulose apical areola: spine-bearing areola obsolete: flower-bearing areola at the summit of the lower peduncle-like ... and depression just behind the apex to mark its upper extremity. This apical areola therefore, does not represent a spine-bearing areola, but the closed upper extremity of a tubercle groove. It ...
www.living-rocks.com

Turbinicarpus Information Exchange - Description of T. knuthianus
... , in older however and especially in the apex with white wool, which continues around the spine bundle with short, but robust wool. The real areole somewhat elliptical and hardly 1 to ... thin needle-like, smooth, stiff, horizontally spreading, somewhat curved to the body and in the apical areoles often slightly yellowish, but without nodular thickening. Central spines only one, from the top ...
www.mfaint.demon.co.uk

Turbinicarpus Information Exchange - Description of T. lophophoroides var. jauernigii
... the new growth covered with long white, silky hairs, later becoming bare. Only a single spine, arising from the lower part of the areole, erect and curving slightly towards the apex ... long, which disappear later, so that the mature plant only has the erect central spine. Flowers arising from apical areoles, wide funnel-shaped, 15 x 25 mm. Sepals narrow lanceolate, light tan ...
www.mfaint.demon.co.uk
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The Yucca Page
... ) can flower many times (polycarpic) and produce side-shoots to compensate for loss of the apical growing point by its conversion into a flower bud. Self pollination of Yucca flowers of ... Luis Potosi. Left: The stiff leaves have curly filamentous edges and a wicked brown terminal spine. The dead leaves are retained on the trunk. Yucca glauca (Great Plains Yucca) flowering in ...
www.succulent-plant.com




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