Staudt's false hog-plum (Nothospondias staudtii)

Silhouette: T. Michael Keesey / License

Nothospondias staudtii: False Hog-Plum of the Simaroubaceae Family

Nothospondias staudtii is an evergreen understory and lower-canopy tree native to the humid lowland rainforests of West and Central Africa, instantly recognizable by its rosette-like crown of massive, feather-compound leaves that can reach two meters in length. Its genus name Nothospondias combines the Greek nothos ("false") and Spondias (the hog-plum genus), while the specific epithet staudtii honors Alois Staudt, a 19th-century German colonial station manager and botanical collector who gathered the type specimens in Cameroon before dying there of blackwater fever in 1897.

Today, Nothospondias staudtii stands as the sole accepted species of the monotypic genus Nothospondias within the bitter-wood family, Simaroubaceae. When the German botanist Adolf Engler formally described the tree in 1905, its resinous scent and plum-like fruits initially convinced him to place it in the cashew and sumac family (Anacardiaceae), before anatomical and molecular studies revealed its true home in Simaroubaceae; the later name Nothospondias talbotii S.Moore (1913) is now treated as a synonym.

Taxonomy

  • ∟ царство Plantae
  • ∟ division Tracheophytes (Vascular Plants)
  • ∟ subdivision Spermatophytes (Seed plants)
  • ∟ Angiosperms
  • ∟ mesangiosperms (Core angiosperms)
  • ∟ eudicots
  • ∟ core eudicots
  • ∟ Superrosids
  • ∟ rosids
  • ∟ malvids
  • ∟ order Sapindales
  • ∟ family Simaroubaceae (Quassia family)
  • ∟ genus Nothospondias (Nothospondias Tree)
  • ∟ species Nothospondias staudtii (Staudt's false hog-plum)

Living Pulse

Morphology

Trunk and pachycaul-like architecture

Growing up to 20–25 meters tall with a straight cylindrical bole reaching 40–50 centimeters in diameter, Nothospondias staudtii has sparse, ascending branches. Because its huge leaves are crowded in dense terminal clusters at the tips of stout twigs, the tree displays an umbrella-like silhouette in the shaded forest understory.

Giant compound leaves

The alternate, imparipinnate leaves — feather-shaped compound blades ending in a single terminal leaflet — measure from 50 centimeters up to 2 meters long along a sturdy central stalk (rachis). Each leaf carries 12 to 25 pairs of alternate or subopposite leaflets that are oblong-lanceolate, smooth (glabrous), and tipped with a distinct drip-tip (acuminate apex) that channels heavy tropical rainwater off the blade.

Dioecious inflorescences and drupes

As a strictly dioecious species, male and female flowers develop on separate individual trees, borne in long, pendulous or spreading panicles up to 60 centimeters long that often emerge both among the leaves and directly from the older woody branches (ramiflory).

  • Unisexual flowers: The small, four-parted (tetramerous) flowers have deep red to yellowish-cream petals; male flowers bear eight prominent stamens around a vestigial ovary, while female flowers house a four-carpellate pistil with reduced sterile staminodes.
  • Fleshy mericarps: After pollination, the carpels mature into clusters of one to four fleshy, ellipsoid drupes (around 2–2.5 centimeters long) that ripen yellow to purplish-red and release a resinous, mango-like aroma when crushed.

Flowering season

Primarily during the main rainy and late-dry transitions in West and Central Africa, from January to June

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Interesting facts

An evolutionary masquerade and canopy light harvesting

For decades, Nothospondias staudtii puzzled taxonomists because its physical traits closely mirror members of the cashew family (Anacardiaceae), particularly the hog-plums (Spondias), even though its DNA places it firmly inside Simaroubaceae. Unlike almost all other members of Simaroubaceae, which pack their tissues with intensely bitter quassinoids, Nothospondias lacks that signature bitterness in its bark and produces fruits with a sweet, resinous scent reminiscent of wild mangoes.

  • Umbrella-leaf light capture: In the dim understory of Guineo-Congolian evergreen forests, building an extensive network of woody twigs is energetically expensive. By concentrating up to 50 leaflets onto a single woody-fibrous rachis up to two meters long, the tree deploys a wide, solar-collecting canopy using disposable leaf stalks rather than permanent wooden branches, shedding the entire structure cleanly when shaded out.
  • Cauliflorous and ramiflorous signaling: Because dense foliage can hide small flowers from pollinators flying beneath the canopy, Nothospondias staudtii produces many of its long, dangling flower panicles directly on bare, older branches below the leaf rosette. This spatial separation gives insects unobstructed flight paths to transfer pollen between male and female trees, and later presents the aromatic, fleshy drupes in the open understory where frugivorous forest mammals and birds can easily spot and disperse the seeds.

Geography of distribution

  • Cameroon
  • Côte d'Ivoire
  • Gabon
  • Ghana
  • Nigeria
  • Benin
  • Democratic Republic of the Congo

Technical Information

Taxon Synonyms: Nothospondias talbotii

External Databases: GBIF, POWO, Tropicos

See also

True Araucarias

True Araucarias

Araucaria sect. Araucaria

Araucaria sect. Araucaria is a botanical section of evergreen conifers native to South America. It …