White Chrysanthemum, a succulent plant
White chrysanthemum (scientific name: Dudleya gnoma S.W.McCabe) is a succulent plant of the genus crassulaceae, which is native to California, USA.
White chrysanthemum
Morphological features:
The stem is 5-26 long and (1.5 -) 12-20 mm wide. Plant diameter 8-51 mm, leaves 8-19, easy to group, perennial plants cushion-shaped, up to 57. Leaves triangular to triangular-ovate, (6 -) 9-25 mm long, 5-13 mm wide, sharp, thickly glaucous. The front part of the leaf turns red when the sunshine is sufficient and there is a certain temperature difference. Inflorescences glaucous, usually with 2 (- 5) unbranched or 2-branched scorpion tails, extending at the initial stage, horizontal or retrorse at the later stage, 2.5-12.9 cm long, bracts light crimson at the initial stage and gradually turning purplish red with withering. Pedicel erect, 1-3 mm long. Sepals triangular, acute, 3.5-4 mm long, 2-3 mm wide, tip burgundy yellowish green, covered with white powder. Petals twisted in bud state, erect when open, elliptic, apex occasionally reflexed, 8-9 (- 11) mm long, 3 mm wide, yellowish to bright yellow, sometimes orange, Corolla tube 1-2 mm.
White chrysanthemum
Growth habits:
White chrysanthemum likes warm, dry and sunny environment, not cold-resistant, semi-overcast and drought-resistant, afraid of water humidity and strong light exposure, and is in a semi-dormant state when high temperature and lack of water in summer.
Species distinction:
The scientific name of Bai Ju is often misrepresented as "Dudleya greenei" or "Greene" on the Internet. But Greene's leaves are actually much longer and the overall plant size is larger than the white chrysanthemum discussed in this entry. Gnoma.
White chrysanthemum
The correct scientific name of the plant named "White Chrysanthemum" in China should be Dudleya gnoma, which may be misrepresented and confused with Greene because Gonoma has two synonyms: "Dudleya greenei fa. Nana (Moran, 1951) and Dudleya greenei cv. "White Sprite", and both synonyms contain the word "greenei", which causes the name to be misinterpreted as Greene when it is introduced into China, resulting in confusion. Therefore, the "pill leaf white chrysanthemum" and "ordinary white chrysanthemum" sold in China are both Gnoma, and Greene is actually very rare in the domestic succulent market.
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Which diseases should be distinguished from cor pulmonale
People who do not get sick may turn a blind eye to cor pulmonale and will no longer surprise people like cancers such as lung cancer. On the one hand, cor pulmonale has been more common, on the other hand, cor pulmonale is not very terrible, not an incurable disease.
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Succulent plant-- Qian Mudan
Cortex moutan is a succulent plant belonging to the genus Euphorbia of Sedum family. At present, there are two kinds of "Qian peony" in China's domestic market: one is related to Tiffany, whose leaves are often gray; the other is equal to Mosa (also known as brown sugar and Carthamus tinctorius).
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