TABLE 1 in Aristolochia guillermoi (Aristolochiaceae), a new species from Peru and a key to identify the Aristolochia taxa with branched trichomes

TABLE 1. Comparison of the geographic distribution and diagnostic characters of leaves, flowers, fruits and seeds between Aristolochia guillermoi and its closest relative A. andina. Aristolochia guillermoiAristolochia andinaLeaf laminaChartaceous, glaucous beneath; venation prominent and densely reticulate beneath; apex obtuseMembranaceous, not glaucous beneath; venation prominulous to plane beneath; apex acutePseudostipulesTriangular, 3–4 × 2–2.5 mmBroadly ovate, 4–8 × 3–6 mmUtricle13–15 × 12–13 mm8–12 × 4–5 mmSyrinx1.5–2 mm longca. 0.5 mm longTube16–24 mm long; proximal diameter 4–5 mm; distal diameter 10–14 mm6–12 mm long; proximal diameter 2–4 mm; distal diameter 5–8 mmLimbWidely ovate, 8–14 mm long; apex obtuse to emarginateOvate, 14–20 mm long; apex acute to obtuse, sometimes mucronulateCapsule35–44 × 15–20 mmCa. 30 × 12–15 mmSeeds5–6 × 5–6 mm, wingless, adaxially smooth4–5 × 4–5 mm, with a vestigial wing ca. 0.5 mm wide, adaxially wartyGeographic distributionSeasonally dry forests of the Piura Department, Peru, at elevations between 1000 and 1590 mTucumano-Boliviana Province, departments of Cochabamba, Chuquisaca and Santa Cruz (Bolivia), at elevations between 1450 and 2580 m表1 吉氏马兜铃（Aristolochia guillermoi）与其近缘物种安第斯马兜铃（Aristolochia andina）的地理分布及叶、花、果、种子鉴定特征对比 叶片：吉氏马兜铃叶纸质，叶背被白粉，叶脉显著且叶背密被网状脉，先端钝；安第斯马兜铃叶膜质，叶背无白粉，叶脉稍隆起至平坦，先端急尖。 假托叶：吉氏马兜铃假托叶呈三角形，大小为3–4 × 2–2.5 mm；安第斯马兜铃假托叶呈宽卵形，大小为4–8 × 3–6 mm。 花被囊：吉氏马兜铃花被囊大小为13–15 × 12–13 mm；安第斯马兜铃花被囊大小为8–12 × 4–5 mm。 喉管部：吉氏马兜铃喉管部长1.5–2 mm；安第斯马兜铃喉管部长约0.5 mm。 花被管：吉氏马兜铃花被管长16–24 mm，近段直径4–5 mm，远端直径10–14 mm；安第斯马兜铃花被管长6–12 mm，近段直径2–4 mm，远端直径5–8 mm。 花被檐部：吉氏马兜铃花被檐部呈宽卵形，长8–14 mm，先端钝至微凹；安第斯马兜铃花被檐部呈卵形，长14–20 mm，先端急尖至钝，有时具短尖头。 蒴果：吉氏马兜铃蒴果大小为35–44 × 15–20 mm；安第斯马兜铃蒴果大小约30 × 12–15 mm。 种子：吉氏马兜铃种子大小为5–6 × 5–6 mm，无翅，腹面光滑；安第斯马兜铃种子大小为4–5 × 4–5 mm，具宽约0.5 mm的退化翅，腹面具疣状突起。 地理分布：吉氏马兜铃分布于秘鲁皮乌拉省的季节性干旱森林，海拔介于1000~1590 m；安第斯马兜铃分布于玻利维亚科恰班巴省、丘基萨卡省和圣克鲁斯省的图库马诺-玻利维亚省，海拔介于1450~2580 m。