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Dutchman's Pipe Aristolochia elegans Category 3 - Must not distribute by sale or gift. Must not release it into the environment. The Problem Dutchman's Pipe is a fast growing vine that smothers and outcompetes natives. It climbs high into the canopy and is regarded as a significant problem in SE QLD and Northern NSW. Dutchman's Pipe is better known for its role in the decline of Richmond Birdwing Butterflies. The vine is toxic and kills caterpillars that try and eat it. To the butterflies, Dutchman's pipe smells exactly the same as Pararistolochia praevenosa, their native host plant, and the butterflies mistakenly lay their eggs on it. Many species of butterfly are vulnerable to Dutchman's pipe but Richmond Birdwings are particularly affected. Identifying Features Soft, flimsy vines and heart-shaped leaves, large tubular flowers Similar Looking Natives Tape Vine (Stephania japonica). Distinguishable as tape vine has more rounded leaves, rather than heart-shaped, and tape vine leaves are more robust than Dutchman's pipe leaves How to remove it Cut and paste - Cut at the base of the vine and paste with 50/50 (50% water, 50% Glyphosate) within 10 seconds, so the vine sucks the chemical into its roots and dies. Prevent the spread! Remove before plants flower and seed. The seeds can survive on the ground for a long time. Return to areas where established vines have been removed to check for new plants popping up. Replace removed vines with Richmond Birdwing Butterfly Vine (pararistolochia praevenosa)! For more information on the Richman Birdwing Butterfly, click here. For more information on Dutchman's pipe, check out the Brisbane Weed Profile WARNING - Herbicides contain hazardous chemicals. Incorrect use can cause injury and damage to the environment. Use with care and contact an expert for advice if unsure..

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Tempo-Spatial Pattern of Stepharine Accumulation in Stephania Glabra Morphogenic Tissues
International Journal of Molecular Sciences Article Tempo-Spatial Pattern of Stepharine Accumulation in Stephania Glabra Morphogenic Tissues Tatiana Y. Gorpenchenko 1,* , Valeria P. Grigorchuk 1, Dmitry V. Bulgakov 1, Galina K. Tchernoded 1 and Victor P. Bulgakov 1,2,* 1 Federal Scientiﬁc Center of the East Asia Terrestrial Biodiversity (Institute of Biology and Soil Science), Far Eastern Branch of the Russian Academy of Sciences, 159 Stoletija Str., 690022 Vladivostok, Russia; [email protected] (V.P.G.); [email protected] (D.V.B.); [email protected] (G.K.T.) 2 Far Eastern Federal University, School of Biomedicine, 8 Sukhanova Str., 690950 Vladivostok, Russia * Correspondence: [email protected] (T.Y.G.); [email protected] (V.P.B.); Tel.: +7-423-231-0193 (T.Y.G.) Received: 25 December 2018; Accepted: 6 February 2019; Published: 13 February 2019 Abstract: Alkaloids attract great attention due to their valuable therapeutic properties. Stepharine, an aporphine alkaloid of Stephania glabra plants, exhibits anti-aging, anti-hypertensive, and anti-viral effects. The distribution of aporphine alkaloids in cell cultures, as well as whole plants is unknown, which hampers the development of bioengineering strategies toward enhancing their production. The spatial distribution of stepharine in cell culture models, plantlets, and mature micropropagated plants was investigated at the cellular and organ levels. Stepharine biosynthesis was found to be highly spatially and temporally regulated during plant development. We proposed that self-intoxication is the most likely reason for the failure of the induction of alkaloid biosynthesis in cell cultures. During somatic embryo development, the toxic load of alkaloids inside the cells increased.
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Stephania (PDF)
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On the Flora of Australia
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Stephania Subpeltata HS Lo: 베트남 미기록종
pISSN 1225-8318 Korean J. Pl. Taxon. eISSN 2466-1546 46(3): 288−294 (2016) Korean Journal of http://dx.doi.org/10.11110/kjpt.2016.46.3.288 Plant Taxonomy Stephania subpeltata H. S. Lo (Menispermaceae): A new record for the Flora of Vietnam Vu Tien Chinh, Bui Hong Quang1, Ritesh Kumar Choudhary2, Nian He Xia3* and Joongku Lee4* Vietnam National Museum of Nature, Vietnam Academy of Science and Technology, Hanoi 100000, Vietnam 1Department of Botany, Institute of Ecology and Biological Resources, Vietnam Academy of Science and Technology, Hanoi 100000, Vietnam 2Biodiversity & Palaeobiology Group, Agharkar Research Institute, Pune 411004, India 3Key Laboratory of Plant Resources Conservation and Sustainable Utilization, South China Botanical Garden, Chinese Academy of Sciences, Guangzhou 510650, China 4Department of Environment & Forest Resources, Chungnam National University, Daejeon 34134, Korea (Received 9 August 2016; Revised 12 September 2016; Accepted 13 September 2016) Stephania subpeltata H. S. Lo: 베트남 미기록종 Vu Tien Chinh·Bui Hong Quang1·Ritesh Kumar Choudhary2 Nian He Xia3*·이중구4* Vietnam National Museum of Nature, 1Institute of Ecology & Biological Resources, 2Agharkar Research Institute, 3South China Botanical Garden, 4충남대학교 농업생명과학대학 산림환경자원학과 ABSTRACT: The Vietnamese occurrence of Stephania subpeltata H. S. Lo (Menispermaceae) is reported here for the first time. It is morphologically allied to S. japonica but differs in having subpeltate, ovate deltoid or broadly deltoid to subdeltoid leaves, shorter petiole, fewer leaf veins, conspicuously pedicellate umbelliform cymes which are seldom compound, and purple flowers and endocarp with a reduced number of abaxial rows. A tax- onomic description, distribution details, ecology, and a key to the Vietnamese species of Stephania are provided.
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Pharmacognostical and Phytochemical Studies on Leaves of Stephania Japonica Linn
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MENISPERMACEAE 防己科 Fang Ji Ke Luo Xianrui (罗献瑞 Lo Hsien-Shui)1, Chen Tao (陈涛)2; Michael G
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Stephania Japonica Var. Japonica
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Considérations Sur L'histoire Naturelle Des Ranunculales
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