Higher classification Arum | Scientific name Lagenandra Rank Genus | |
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Similar Arum, Cryptocoryne, Cryptocoryne beckettii, Cryptocoryne wendtii, Aponogetonaceae | ||
Lagenandra meeboldii red
Lagenandra is a genus of flowering plants in the Araceae family. It is endemic to the Indian Subcontinent (Bangladesh, Sri Lanka, and India). The genus is similar to Cryptocoryne, but can be distinguished from it by its involute vernation. Cryptocoryne on the other hand exhibit convolute vernation.
Contents
Lagenandra meeboldii invitro
Description
Helophytes, rarely rheophytes, with thick creeping rhizome; leaf blade simple, ovate to almost linear, fine venation transverse-reticulate; spathe tube with connate margins; spadix entirely enclosed in spathe tube; flowers unisexual, perigone absent. Differs from Cryptocoryne in having female flowers spirally arranged (pseudo-whorl in Lagenandra nairii, whorled in Lagenandra gomezii) and free; spathe tube "kettle" with connate margins (containing spadix) occupying entire spathe tube; spathe blade usually opening only slightly by a straight or twisted slit; berries free, opening from base; leaf ptyxis involute.
Species
Accepted species are as follows. A key to the species described before 1986 was provided by Crusio and de Graaf.
- Lagenandra bogneri de Wit - Sri Lanka
- Lagenandra dewitii Crusio & de Graaf - Sri Lanka
- Lagenandra erosa de Wit - Sri Lanka
- Lagenandra gomezii (Schott) Bogner & Jacobsen - Bangladesh
- Lagenandra jacobseni de Wit - Sri Lanka
- Lagenandra keralensis Sivadasan & Jaleel - Kerala
- Lagenandra koenigii (Schott) Thwaites - Sri Lanka
- Lagenandra lancifolia (Schott) Thwaites - Sri Lanka
- Lagenandra meeboldii (Engler) C.E.C. Fischer - southwestern India
- Lagenandra nairii Ramamurthy & Rajan - southwestern India
- Lagenandra ovata (L.) Thwaites - southwestern India, Sri Lanka
- Lagenandra praetermissa de Wit & Nicolson - Sri Lanka
- Lagenandra thwaitesii Engler - Sri Lanka
- Lagenandra toxicaria Dalzell - southwestern India
- Lagenandra undulata Sastry - Assam