Heptapleurum heptaphyllum

(L.) Y.F.Deng (2018)

This name is accepted

Kingdom: Viridiplantae Phylum: Magnoliophyta Class/Clade: Eudicot-Asterids Order: Apiales Family: Araliaceae Genus: Heptapleurum

Description

Key Characters:

Growth Form: Trees to 15 m tall, andromonoecious, evergreen, unarmed.

Stems:

Roots:

Leaves: Leaves compound (palmate). Alternate. Leaflets 6–9(–11), elliptic to oblong–elliptic or obovate–elliptic, 7–18 × 3–5 cm. Apex abruptly acute to acuminate. Base attenuate or cuneate to obtuse or rounded. Surfaces densely stellate pubescent when young, glabrescent except on midvein and in axils of veins; blade papery to leathery. Margins entire, often serrate or pinnately lobed on young plants. Secondary veins 7–10 pairs, tertiary veins inconspicuous. Petioles (5–)10–30 cm; petiolules 1.5–5 cm. Stipules united within petiole.

Flowers: Flowers in inflorescence a terminal panicle of umbels, densely stellate tomentose, glabrescent; primary axis to 35 cm; secondary axes 25(–35) cm, with a terminal umbel of bisexual flowers and several to many lateral umbels of bisexual or more often male flowers, usually also with 1 to several bisexual flowers borne just below apical umbel; pedicels 4–5 mm. Flowers bisexual (perfect). Calyx pubescent at first, entire or 5– or 6-toothed. Petals valvate. Stamens usually as many as and alternate with the petals, istinct, inserted at the edge of the epigynous nectary disk. Ovary inferior, 5–9(or 10)-carpellate; styles united into a thick column less than 1.5 mm.

Fruit: Drupes globose; ca. 5 mm in diam.; inconspicuously angled when dry; styles persistent; to ca. 1.5 mm. Seeds laterally compressed.

Ploidy:

Habitat: Mountain slopes.

Elevation Range: 100–2100 m.

Historical Distribution

Uses and Culture

USES

  • Yes

Natural History

Statewide Status

Naturalized

Island Status

O'ahu Naturalized

Dispersal Agents

Birds

Pollinators

Specimens

Bibliography

Name Published In: Med. Fl. China 7: 484 (2018)

Other References

Daehler & Baker 2006:13 (O? [as Schefflera taiwaniana, adventive]); Frohlich & Lau 2012:28 (NEWNAT/O, DESCR, S. taiwaniana misapplied = S. heptaphylla); Lowry & Plunkett 2020:154 (Syn. S. heptaphylla = H. heptaphyllum)

Occurrences

SNo. Scientific Name Locality Habitat Basis of Record Description Recorded By Record Number Island Source Date
1 Heptapleurum heptaphyllum Kaneohe, Hoomaluhia Botanical Garden. Malaysian Section Preserved_Specimen Tree: 40' tall with 10 diameter d.b.h. Trees just flowering; petals greenish white. Herbst, D.R. 9604 Oahu BISH 1992-12-27
2 Heptapleurum heptaphyllum Lyon Arboretum, Manoa Lowland mesic setting. Preserved_Specimen Naturalized sapling 1.5 m tall growing in thicket at edge of main road leading to the waterfall. Daehler, C. 1202 Oahu BISH 2005-05-24
3 Heptapleurum heptaphyllum Kaneohe, near Hoomaluhia botanical garden Lowland mesic to wet secondary forest, growing with Hibiscus tiliaceus, Schefflera actinophylla. Preserved_Specimen Tree about 12 m tall w/ straight bolegrowing at a slight angle. Younger infl somewhat contained within leaves at end of branch. Lflt margins undulate. Leaves of saplings pinnately lobed and variable, with purple midvein and fewer stellate hairs on the abaxial surface. OED 2011102701 Oahu BISH 2011-10-27
4 Heptapleurum heptaphyllum Hoomaluhia Botanical Garden, near parking area of Tropical Americas section Lowland mesic to wet botanical garden, in small gulch. Preserved_Specimen 5 ft tall sapling, possibly w/ juvenile foliage. No flowers or fruit seen. Lau, A. 2007030301 Oahu BISH 2007-03-03
5 Heptapleurum heptaphyllum Kaneohe, Hoomaluhia Botanical Garden. Malaysian Section Preserved_Specimen Tree: 40' tall with 10 diameter d.b.h. Trees just flowering; petals greenish white. Herbst, D.R. 9604 Oahu BISH 1992-12-27
6 Heptapleurum heptaphyllum Puna District, Keaauy. Growing in deep shade under albizia, avocado, Ficus, and African tulip near the Keaau dump. Five individuals, each with 10 or more stems Preserved_Specimen No fruit or flowers observed. Unbranched tree 4 meters. Stems segmented. Leaves: palmately compound, 5 to 7 lobbed, no scent, orixate leaf arrangement, thick pulvinus, large stipule, leathery and green, prominent midrib, new leaves have clusters of plumose pubescence. New leaves flat, old leaves droop. Murphy, M. 236 Hawaii BISH 2022-12-05
7 Heptapleurum heptaphyllum In Gardens of Hawaii II Project Cultivated Plants of the Hawaiian Islands, in full sun. Preserved_Specimen Young, vigorous, multi-trunked tree 4 m tall,. Petals cream. Lau, J. 3027 Oahu BISH 1987-01-06