Catasetum saccatum

{{Short description|Species of orchid}}

{{Speciesbox

| image = Catasetum-saccatum.jpg

| image2 = Catasetum saccatum 2 (cropped).webp

| image2_caption = Petals detached from the dorsal sepals

| genus = Catasetum

| species = saccatum

| authority = Lindl.

| synonyms = *Catasetum saccatum var. eusaccatum Mansf.

• Catasetum saccatum var. typum Hoehne
• Catasetum christyanum var. obscurum Rchb.f.
• Catasetum secundum Klotzsch
• Catasetum baraquinianum Lem.
• Catasetum saccatum var. pliciferum Rchb.f.
• Catasetum christyanum Rchb.f.
• Catasetum christyanum var. chlorops Rchb.f.
• Catasetum cruciatum Schltr.
• Catasetum saccatum var. christyanum (Rchb.f.) Mansf.

}}

Catasetum saccatum, the sack-shaped catasetum, is a species of orchid.{{Cite web |title=Catasetum saccatum Lindl. {{!}} Plants of the World Online {{!}} Kew Science |url=http://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:621924-1 |access-date=2024-03-02 |website=Plants of the World Online |language=en}}

Charles Darwin remarked on the ability of the species to launch its viscid pollen sacs with explosive force, when an insect touches a seta. He was ridiculed for reporting this by the naturalist Thomas Huxley.{{Cite book |last=Desmond |first=Adrian J. |title=Darwin |last2=Moore |first2=James Richard |date=1991 |publisher=M. Joseph |isbn=978-0-7181-3430-3 |location=London}}