Flora of North America species comparison

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Dalbergia

Indian rosewood, rosewood
Habit Shrubs or trees [lianas], unarmed.
Stems

erect or scandent, young growth densely strigose or villous or glabrescent, peduncles and pedicels eglandular.
Leaves

alternate, odd-pinnate or unifoliolate;

stipules present, caducous;

petiolate;

leaflets 1–5[+], alternate, stipels absent, blade margins entire, surfaces glabrous or pubescent.
Inflorescences

10–50-flowered, axillary [lateral or terminal], racemes, panicles, or corymbs;

bracts present;

bracteoles paired proximal to calyx.
Flowers

papilionaceous;

calyx campanulate, lobes 5;

corolla usually white, creamy white, or yellowish, sometimes pinkish [purple], glabrous;

stamens 9 or 10, monadelphous or diadelphous [triadelphous];

anthers basifixed, relatively small, dehiscing apically;

style glabrous;

stigma terminal, small.
Fruits

legumes, stalk present, compressed, straight, compressed, narrowly ellipsoid to oblong or subglobose to subreniform, indehiscent, often winged (samaroid), glabrous or pubescent.
Seeds

1–4[–6], reniform;

hilum lateral.
x

= 10.

Dalbergia
Distribution
from USDA
Mexico; Central America; South America; Florida; West Indies; Asia; Africa; tropical to warm temperate areas
[BONAP county map]
Discussion

Species ca. 100 (3 in the flora).

Dalbergia includes important timber species prized for the color and grain of the wood (M. Chudnoff 1984).

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Key
1. Leaves 3–5-foliolate; leaflet blades ovate, apex abruptly acuminate or cuspidate; stamens 9; corolla creamy white to yellowish; legumes narrowly ellipsoid to oblong, stalk 5–6 mm; seeds 1 or 2(–4).
D. sissoo
1. Leaves unifoliolate; leaflet blades elliptic, ovate, or ovate-elliptic, apex usually acute, sometimes acuminate or obtuse, or abruptly narrowed to obtuse tip; stamens 10; corolla often white, sometimes pinkish; legumes ellipsoid to oblong or subglobose to subreniform, stalk 3 mm; seeds 1–4.
→ 2
2. Legumes ellipsoid to oblong, 10 mm wide; seeds 1–4; leaflet apex usually acute, sometimes acuminate or obtuse, surfaces lustrous, glabrous or lightly appressed-pubescent, hairs minute.
D. brownei
2. Legumes subglobose to subreniform, 15–20 mm wide; seed 1; leaflet apex abruptly narrowed to obtuse tip, surfaces sublustrous, subsericeous becoming moderately appressed-pubescent or glabrous.
D. ecastaphyllum
Source FNA vol. 11. Authors: Velva E. Rudd†, Michael A. Vincent.
Parent taxa Fabaceae > subfam. Faboideae
Subordinate taxa
D. brownei, D. ecastaphyllum, D. sissoo
Synonyms Amerimnon, Ecastaphyllum
Name authority Linnaeus f.: Suppl. Pl., 52, 316. (1782) — name conserved
Web links 
Unless otherwise noted, all data comes from the online version of the Flora of North America, who have made most of their content available via a Creative Commons license (CC BY 4.0).



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