Jasminum angustifolium var. sessiliflorum (Vahl) P.S.Green, Kew Bull. 40: 227 1985. (syn: Jasminum sessiliflorum Vahl; Mogorium sessiliflorum (Vahl) Poir.); Keys available at An Excursion Flora of Central Tamilnadu, India By K. M. Matthew (1993): Calyx lobes > three- fourth the length of the corolla tube for Jasminum angustifolium var. angustifolium Calyx lobes < half as long as the corolla tube for Jasminum angustifolium var. sessiliflorum Key to three varieties of J. angustifolium as per The taxonomic identity of Jasminum matthewii (Oleaceae) (2016) 1. Leaves recurved at margins; secondary veins distinct on both surfaces; domatia present at axils of veins beneath. Jasminum angustifolium var. hirsutum 1. Leaves not recurved at margins; secondary veins indistinct on both surfaces; domatia absent at axils of veins beneath. . 2 2. Venation distinct only on upper surface; inflorescence a cyme, (1–)3-flowered, sessile; calyx lobes 3–4 times longer than tube; fruiting calyx much longer than fruits. Jasminum angustifolium var. sessiliflorum 2. Venation obscure on both surfaces; inflorescence a cyme or corymb, (1–)4–7-flowered, pedunculate; calyx lobes almost equal to tube; fruiting calyx shorter than fruits. Jasminum angustifolium var. angustifolium India, Sri Lanka as per WCSP;
Presenting this creeper grown among bushy shrubs Jasminum angustifolium ? Location : Chennai outskirts Date :15.11.2019 Elevation : 33 mts. Looks like Jasminum sp. Jasminum angustifolium ?? Looks different from Jasminum angustifolium I tried but could not find a match as per comparative images at Jasminum On further review, I think close to Jasminum angustifolium (L.) Willd. only. to me it looks Jasminum sessiliflorum; reasons ; leaves small2-3.5cm x 1.5-2cm;;ovate, obtuse at base,petiole short; nerves obscure, usu. pubescent on the back on nerves; cymes usually 1-flowered; terminal; white, calyx lobes nearly 1cm long, corolla 5-8 lobes, long; fruit not seen here; as more characters match with Jasminum sessiliflorum I go with J.sessiliflorum. (ref.as per Gamble FPM; distribution in Chengalpattu, Kancheevaram are cited) originally i was a bit concerned that it may not be any known jasmine, because of those rounded leaves but since then i have found mentions of some others being confused with it also Owner of Top tropicals for example so i went back to the keys. i like ... reasoning and key depiction. thanks, ... Jasminium angustifolium, Jasminium sessiliforum. Are they different? Pl. see discussions at Jasminum angustifolium var. sessiliflorum :: Puducherry :: 15 OCT 19 In J angustifolium, Corolla hypocrateriform, white with exterior of tube often pinkish-vinaceous. While looking for keys for the varieties, I was surprised with the following w.r.t. the calyx size: Key to three varieties of J. angustifolium as per The taxonomic identity of Jasminum matthewii (Oleaceae) (2016) 1. Leaves recurved at margins; secondary veins distinct on both surfaces; domatia present at axils of veins beneath. Jasminum angustifolium var. hirsutum 1. Leaves not recurved at margins; secondary veins indistinct on both surfaces; domatia absent at axils of veins beneath. . 2 2. Venation distinct only on upper surface; inflorescence a cyme, (1–)3-flowered, sessile; calyx lobes 3–4 times longer than tube; fruiting calyx much longer than fruits. Jasminum angustifolium var. sessiliflorum 2. Venation obscure on both surfaces; inflorescence a cyme or corymb, (1–)4–7-flowered, pedunculate; calyx lobes almost equal to tube; fruiting calyx shorter than fruits. Jasminum angustifolium var. angustifolium This is in total contradiction to what I found in our observations as well as in An Excursion Flora of Central Tamilnadu, India By K. M. Matthew (1993): Calyx lobes > three- fourth the length of the corolla tube for Jasminum angustifolium var. angustifolium Calyx lobes < half as long as the corolla tube for Jasminum angustifolium var. sessiliflorum Does the Gamble gives any keys between the two ?
Please identify this wild climber with white flowers. It usually trails on fences and other trees. It looks like Jasminum sp. but the leaves are rather thick and leathery. Photo was taken in Sri Lanka in March 2013. Attachments (2) Is it Juhi? Looks like Jasmimum angustifolium I think this may also be Jasminum angustifolium var. sessiliflorum (Vahl) P.S.Green as per discussions in another thread: 23112019EPT27 without sizes of the leaves and the flower tube i hesitate to classify it so precisely References: Catalogue of Life The Plant List Ver.1.1 WCSP IPNI GBIF (High resolution specimens) India Biodiversity Portal Kerala plants eflorakkl The taxonomic identity of Jasminum matthewii (Oleaceae) (2016) An Excursion Flora of Central Tamilnadu, India By K. M. Matthew (1993) |
# Species- Seed plants (families) > M---Z (families & genera) > O > Oleaceae > Jasminum >
