Abstract
The legume tree genus Humboldtia Vahl contains three mutualistic, myrmecophytic species. These trees develop inflated, hollow internodes which differentiate a single, self-opening entrance hole for each domicile unit. At leaf flush, hundreds of new, accessible, empty domatia are available to any organism capable of entering and defending the hollow space. In terms of abundance, ants are the primary occupant of the hollow internodes of H. brunonis Wallich of India, followed by a bee, Braunsapis sp., and several minor inhabitants including an arboreal annelid. Humboldtia laurifolia Vahl in Sri Lanka is the closest relative of H. brunonis, and we compare and discuss the internode inhabitants of these two geographically separated, but morphologically very similar tree species.
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Claims 5
Claim · model-written summary
Humboldtia species develop inflated hollow internodes with a self-opening entrance for each domicile.
- Taxon
- Humboldtia
Humboldtiat0 - Outcome
- inflated, hollow internodese0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“These trees develop inflated, hollow internodes which differentiate a single, self-opening entrance hole for each domicile unit”
t0“Invertebrate biodiversity (ants, bees, and others) associated with stem domatia of the Indian myrmecophyte Humboldtia brunonis Wallich (Magnoliophyta: Fabaceae).”
Claim · model-written summary
At leaf flush, hundreds of empty domatia become accessible to occupants.
- Taxon
- Humboldtia
Humboldtiat0 - Organ / stage
- leaf flushe0
- Outcome
- hundreds of new, accessible, empty domatiae0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“At leaf flush, hundreds of new, accessible, empty domatia are available to any organism capable of entering and defending the hollow space”
t0“Invertebrate biodiversity (ants, bees, and others) associated with stem domatia of the Indian myrmecophyte Humboldtia brunonis Wallich (Magnoliophyta: Fabaceae).”
Claim · model-written summary
Ants were the most abundant occupants of H. brunonis hollow internodes in India.
- Taxon
- H. brunonis Wallich
Humboldtia brunonise0 - Interactor
- antsFormicidaee0symbiont
- Outcome
- primary occupant of the hollow internodese0
- Setting
- Indiae0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
.jpg?width=500)
Verbatim
e0“ants are the primary occupant of the hollow internodes of H. brunonis Wallich of India”
Claim · model-written summary
Braunsapis sp. was the next most abundant occupant.
- Taxon
- Humboldtia brunonis Wallich
Humboldtia brunonist0 - Interactor
- Braunsapis sp.
Braunsapise0other - Outcome
- followed by a bee, Braunsapis sp.e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
.jpg?width=500)

Verbatim
e0“followed by a bee, Braunsapis sp.”
t0“Invertebrate biodiversity (ants, bees, and others) associated with stem domatia of the Indian myrmecophyte Humboldtia brunonis Wallich (Magnoliophyta: Fabaceae).”
Claim · model-written summary
An arboreal annelid was among the minor occupants.
- Taxon
- Humboldtia brunonis Wallich
Humboldtia brunonist0 - Interactor
- arboreal annelide0other
- Outcome
- minor inhabitantse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
.jpg?width=500)
Verbatim
e0“several minor inhabitants including an arboreal annelid”
t0“Invertebrate biodiversity (ants, bees, and others) associated with stem domatia of the Indian myrmecophyte Humboldtia brunonis Wallich (Magnoliophyta: Fabaceae).”