Euphorbia haeleeleana

D.R.Herbst (1971)

This name is accepted

Kingdom: Viridiplantae Phylum: Magnoliophyta Class/Clade: Eudicot-Rosids Order: Malpighiales Family: Euphorbiaceae Genus: Euphorbia

Description

Key Characters:

Growth Form: Small dioecious trees 3–14 m tall.

Stems: Branches thick, succulent, terminating bluntly at apex, leaf scars prominent on young branches.

Roots:

Leaves: Leaves simple. Alternate. Blades elliptic, blades (7–)10–15(–20) cm long, (3.2–)4–6(–8.2) cm wide. Apex obtuse to retuse. Base obtuse. Surfaces glabrous or occasionally hirsutulous, blades chartaceous. Margins entire. Petioles (1.5–)2–4(–5.3) cm long. Stipules absent.

Flowers: Flowers in cyathia axillary; pistillate flowers solitary, on a gynophore; staminate flowers in 5 groups or cymules, each with 1 to several flowers; cyathia subtended by deciduous bracts ca. 1 mm long, forming a terminal pseudoumbel from reduction of internodes, peduncles 11–30 mm long, hirsute, sometimes with v–shaped glands 1–6 mm below the cyathium, these ca. 1 mm long. involucre truncate, 4–5 mm high, 7–9 mm wide, hirsute, glands (8)9(–11), dark brown, sometimes mottled, 1.5–2.5 mm long, ca. 1 mm wide, densely hirsute below. Flowers unisexual and highly reduced. Calyx (sepals) absent. Corolla (petals) absent. Male flower reduced to a single stamen, with an articulation at junction of pedicel and filament, subtended by slender bracteoles; filaments 1 mm long, subtended by densely ciliate bracts ca. 3 mm long. Ovary superior; Pistillate flower subtended by several diminutive and abortive staminate flowers, each with a small bract; style ca. 4 mm long; stigmas ca. 1 mm long, bifid.

Fruit: Capsules brown when dry; globose; 11–14 mm in diameter; hirsute; gynophores (1–) 3.5–8 mm long. Seeds dark brown; mottled; ovoid; obscurely angled; 7–9 mm long; ca. 5 mm wide; caruncle white or cream–colored; ca. 1 mm long.

Ploidy:

Habitat: Slopes in diverse mesic forest.

Elevation Range: 350–650 m.

Historical Distribution

Uses and Culture

USES

Natural History

Statewide Status

Endemic

Island Status

Kaua'i Endemic
O'ahu Endemic

Dispersal Agents


Pollinators

Bibliography

Name Published In: Pacific Sci. 25: 489 (1971)

Other References

Wagner et al. 1990:619 (K, O)

Occurrences

SNo. Scientific Name Locality Habitat Basis of Record Recorded By Record Number Island Source Date
1 Euphorbia haeleeleana Locality redacted. Contact Bishop Museum Botany Department for details Open xeric forest. Associates: Leucaena, Diospyros, Erythrina, Canthium, Myoporum, Pleomele, Reynoldsia, Panicum Preserved_Specimen Lau, J. 1126 Oahu BISH 1985-06-21
2 Euphorbia haeleeleana Locality redacted. Contact Bishop Museum Botany Department for details Metrosideros-Acacia mesic forest w/ Alphitonia ponderosa, Diospyros sandwicensis, Dracaena aurea, Psychotria mariniana, Dodonaea viscosa, Wikstroemia furcata, Planchonella sandwicensis, Dryopteris glabra, Doodia kunthiana, Panicum n Preserved_Specimen Wood, K.R. 15954 Kauai BISH 2014-06-13
3 Euphorbia haeleeleana Locality redacted. Contact Bishop Museum Botany Department for details Diospyros-Acacia-Metrosideros montane mesic forest. W/ Diospyros sandwicensis, D. hallebrandii, Alphitonia ponderosa, Pisonia sandwicensis, Dodonaea viscosa, Pleomele aurea, Psychotria mariniana, Kadua affinis, Coprosma waimeae, C. foliosa, Myrsine lan Preserved_Specimen Wood, K.R. 15888 Kauai BISH 2014-03-20
4 Euphorbia haeleeleana Locality redacted. Contact Bishop Museum Botany Department for details Acacia koa, Diospyros sandwicensis, D. hillebrandi, Metrosideros polymorpha, Aleurites moluccana, Tetraplasandra waimeae, Kokia kauaiensis, Hedyotis terminalis, H. knudsenii, Euphorbia haeleeleana, Nestegis sandwicensis, Pipturus albidus, P. kauaiensis, Elaeocarpus bifidus, Antidesma platyphylla, Nesoluma polynesica, Pouteria sandwicensis Preserved_Specimen Wood, K.R. 6266 Kauai BISH 1997-05-10
5 Euphorbia haeleeleana Locality redacted. Contact Bishop Museum Botany Department for details Diospyros-Acacia-Metrosideros montane mesic forest with Diospyros sandwicensis, D. hillebrandii, Alphitonia ponderosa, Pisonia sandwicensis, Dodonaea viscosa, Pleomele aurea, Psychotria mariniana, Kaudua affinis, Coprosma waimeae, C. foliosa, Myrsine lan Preserved_Specimen Wood, K.R. 15994 Kauai BISH 2014-07-08
6 Euphorbia haeleeleana Locality redacted. Contact Bishop Museum Botany Department for details Metrosideros-Acacia mesic forest with Alphitonia ponderosa, Diospyros sandwicensis, Dracaena aurea, Psychotria mariniana, Dodonaea viscosa, Wikstroemia furcata, Planchonella sandwicensis, Dryopteris glabra, Doodia kunthiana, Panicum Preserved_Specimen Wood, K.R. 14965 Kauai BISH 2012-05-09
7 Euphorbia haeleeleana Locality redacted. Contact Bishop Museum Botany Department for details In an aggregation of about 10 plants on a sunny exposed rocky slope. Associates: Aleurites, Diospyros, Canthium, Leucaena, Opuntia, Grevillea, Reynoldsia, Pleomele, Dodonaea, Bidens. Preserved_Specimen Lau, J. 1123 Oahu BISH 1985-06-21
8 Euphorbia haeleeleana Locality redacted. Contact Bishop Museum Botany Department for details N facing slope; Acacia koa; Diospyros sandwicensis, D. hillebrandii, Metrosideros polymorpha, Aleurites moluccana, Tetraplasandra waimeae, Kokia kauaiensis, Hedyotis terminalis, H. knudsenii, Euphorbia haeleeleana, Nestegis sandwicensis, Pipturus albidus, P. kauaiensis, Elaeocarpus bifidus, Antidesma platyphylla, Nesoluma polynesicum, Pouteria sandwicensis, Rubus rosifolius, Lantana camara, Grevillea robusta Preserved_Specimen Wood, K.R. 6264 Kauai BISH 1997-05-10
9 Euphorbia haeleeleana Locality redacted. Contact Bishop Museum Botany Department for details Scattered tree colony in Sapindus, Erythrina, Reynoldsia, Lama Forest w/ Canthium, Dodonaea, Bobea sandwicensis, Bonamia, Nototrichium humile, Schiedea hookeri, guinea grs Preserved_Specimen Perlman, S. 5791 Oahu BISH 1987-04-28
10 Euphorbia haeleeleana Locality redacted. Contact Bishop Museum Botany Department for details Pocket of remnant dryland forest of Diospyros sandwicensis, Osmanthus, with few alien spp. such as Passiflora, Leucaena, and Eupatorium riparium. Preserved_Specimen Wagner, W.L. 5607 Oahu BISH 1985-07-21
11 Euphorbia haeleeleana Locality redacted. Contact Bishop Museum Botany Department for details with Erythrina, Sapindus; on bluff Preserved_Specimen Perlman, S. Kauai BISH 1978-05-01
12 Euphorbia haeleeleana Locality redacted. Contact Bishop Museum Botany Department for details Diospyros spp. dominant on valley slope with large Aleurites moluccana indivisuals down in vally bottom. Wilkesia sp, Dianella sandwicensis, Alyxia stellata and Kalanchoe pinnata common in understory. Preserved_Specimen Trauernicht, C. 484 Kauai BISH 2008-05-15
13 Euphorbia haeleeleana Locality redacted. Contact Bishop Museum Botany Department for details On dry, steep, N-facing slope; Associated with dry forest trees in an extensive but localized grove. Preserved_Specimen Gagné, W.C. 537 Kauai BISH 1970-08-22
14 Euphorbia haeleeleana Locality redacted. Contact Bishop Museum Botany Department for details In an aggregation of about 10 plants on a sunny exposed rocky slope. Associates: Aleurites, Diospyros, Canthium, Leucaena, Opuntia, Grevillea, Reynoldsia, Pleomele, Dodonaea, Bidens. Preserved_Specimen Lau, J. 1123 Oahu BISH 1985-06-21
15 Euphorbia haeleeleana Locality redacted. Contact Bishop Museum Botany Department for details Lone tree in xeric Leucaena forest with some Canthium, Grevillea, Pleomele, Diospyros, Psidium, Reynoldsia Preserved_Specimen Lau, J. 2671 Oahu BISH 1986-07-27
16 Euphorbia haeleeleana Locality redacted. Contact Bishop Museum Botany Department for details Growing on a rocky slope, partially shated by Aleurites. Other associates: Canthium, Diospyros, Leucaena Preserved_Specimen Lau, J. 1125 Oahu BISH 1985-06-21
17 Euphorbia haeleeleana Locality redacted. Contact Bishop Museum Botany Department for details In mesic forest highly native in composition. Associates: Aleurites, Pisonia, Diospyros, Alyxia, Dodonaea. Preserved_Specimen Lau, J. 1307.7 Kauai BISH 1985-08-11
18 Euphorbia haeleeleana Locality redacted. Contact Bishop Museum Botany Department for details Growing on sunny exposed rocky slope w/ Aleurites, Diospyros, Canthium, Leucaena, Opuntia, Grevillea, Reynoldsia, Pleomele, Dodonaea, Bidens Preserved_Specimen Lau, J. 1124 Oahu BISH 1985-06-21
19 Euphorbia haeleeleana Locality redacted. Contact Bishop Museum Botany Department for details Open mesic forest with Nototrichium, Diospyros, Grevillea, Aleurites, Osmanthus, Reynoldsia, Schinus, Sapindus, Leucaena, Rauvolfia, Psidium Preserved_Specimen Lau, J. 1099 Oahu BISH 1985-06-16
20 Euphorbia haeleeleana Locality redacted. Contact Bishop Museum Botany Department for details with Erythrina, Sapindus; on bluff Preserved_Specimen Perlman, S. Kauai BISH 1976-05-01
21 Euphorbia haeleeleana Locality redacted. Contact Bishop Museum Botany Department for details Dense shrubbery. Preserved_Specimen van Balgooy, M.M.J. 4250 Kauai BISH 1982-06-01
22 Euphorbia haeleeleana Locality redacted. Contact Bishop Museum Botany Department for details Growing on the upper edge of the rock cliff, N-facing slope above stream. Preserved_Specimen Montgomery, S.L. 20 Kauai BISH 1970-09-05
23 Euphorbia haeleeleana Locality redacted. Contact Bishop Museum Botany Department for details Diospyros mixed mesic forest w/ Acacia koa, Metrosideros polymorpha var. glaberrima, Myrsine lanaiensis, Polyscias waimeae, Kokia kauaiensis, Kadua affinis, K. knudsenii, Euphorbia haeleeleana, Nestigis sandwicensis, Pipturus alb Preserved_Specimen Wood, K.R. 17852 Kauai BISH 2018-06-13
24 Euphorbia haeleeleana Locality redacted. Contact Bishop Museum Botany Department for details In mesic forest highly native in composition. Associates: Aleurites, Pisonia, Diospyros, Alyxia, Dodonaea. Preserved_Specimen Lau, J. 1307.8 Kauai BISH 1985-08-11
25 Euphorbia haeleeleana Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Wagner, W.L. 5063 Kauai BISH 1983-08-31
26 Euphorbia haeleeleana Locality redacted. Contact Bishop Museum Botany Department for details Along rocky, steep, exposed slope. Associated with Erythrina, Reynoldsia, Koa hoale. Habitat exposed and drying. Preserved_Specimen Obata, J.K. Oahu BISH 1988-08-20
27 Euphorbia haeleeleana Locality redacted. Contact Bishop Museum Botany Department for details Open xeric forest on a N-facing slope. Associates: Leucaena, Diospyros, Erythrina, Canthium, Myoporum, Pleomele, Reynoldsia, Panicum. Preserved_Specimen Lau, J. 1127 Oahu BISH 1985-06-21
28 Euphorbia haeleeleana Locality redacted. Contact Bishop Museum Botany Department for details N facing cliffs; with Artemisia, Nototrichium sandwicense, Chamaesyce celastroides, Wilkesia gymnoxiphium, Lobelia niihauensis, Peucedanum, Bidens, Hibiscadelphus distans, Bobea timonioides, Flueggea, Erythina sandwicensis, Diospyros, Myrsine, Gahnia aspera Preserved_Specimen Wood, K.R. 1953 Kauai BISH 1992-06-06
29 Euphorbia haeleeleana Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Hobdy, R.W. 214 Kauai BISH 1971-07-04
30 Euphorbia haeleeleana Locality redacted. Contact Bishop Museum Botany Department for details Metrosideros-Acacia mesic forest w/ Alphitonia ponderosa, Diospyros sandwicensis, Dracaena aurea, Psychotria mariniana Dodonaea viscosa, Wikstroemia furcata, Planchonella sandwicensis Dryopteris glabra, Doodia kunthiana, Panicum n Preserved_Specimen Wood, K.R. 15957 Kauai BISH 2014-06-13
31 Euphorbia haeleeleana Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Hobdy, R.W. 120 Kauai BISH 1969-07-03
32 Euphorbia haeleeleana Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Herbst, D.R. 2989 Kauai BISH 1973-04-18
33 Euphorbia haeleeleana Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Hobdy, R.W. 95 Kauai BISH 1969-03-20
34 Euphorbia haeleeleana Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Stern, W.L. 3175 Kauai BISH 1974-04-16
35 Euphorbia haeleeleana Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Hobdy, R.W. 11 Kauai BISH 1968-09-11
36 Euphorbia haeleeleana Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Hobdy, R.W. 95 Kauai BISH 1969-03-20
37 Euphorbia haeleeleana Locality redacted. Contact Bishop Museum Botany Department for details Diospyros-Acacia-Metrosideros montane mesic forest w/ Diospyros sandwicenses, D. hillebrandii, Alphitonia ponderosa, Pisonia sandwicensis, Dodonaea viscosa, Pleomele aurea, Psychotria mariniana, Kadua affinis, Coprosma waimeae, C. foliosa, Myrsine lan Preserved_Specimen Wood, K.R. 15998 Kauai BISH 2014-07-18
38 Euphorbia haeleeleana Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Hobdy, R.W. 37 Kauai BISH 1968-01-01
39 Euphorbia haeleeleana Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Hobdy, R.W. 120 Kauai BISH 1969-07-03