Machilus

Machilus clarkeana King. ex Hook. fil. (Central Himalaya to Myanmar: Assam, East Himalaya, Myanmar, Nepal as per POWO)

Machilus duthiei King 

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Persea americana Mill.

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Keys as per efi thread:

1a.	Shoots subtended by a ring of bud scale scars; leaves usually crowded towards tips of branchlets ………………………….. 2
b.	Shoots not subtended by a ring of bud scale scars; leaves usually not crowded towards tips of branchlets but evenly spaced …………………………… 11
2a.	Panicle branches and perianth segments glabrous or sparsely puberulous ……………  3
b.	Panicle branchlets and perianth segments tomentose to villous or densely pubescent … 5
3a.	Lateral nerves of leaves 14–20 pairs; pedicels 5–10 mm long; fruits globose, 2.5–3 cm in diameter ………………… 2. M. clarkeana
b.	Lateral nerves of leaves 8–15 pairs; pedicels 3–5 mm long; fruits ellipsoid to oblong-ellipsoid, 0.7–1.6 × 0.5–1 cm ………………………. 4
4a.	Tertiary nerves and minor nervules of leaves iicuous on both surfaces; panicles 3–5 cm long; fruits ca 7 × 5 mm …………………… 10. M. kingii
b.	Tertiary nerves of leaves prominent above, faint to prominent beneath; minor nervules finely reticulate-pitted and prominent on the upper surface, inconspicuous to somewhat prominent beneath; fruits 12–16 × 8–10 mm ……………………..  15. M. odoratissima
5a.	Leaves mostly cuneate-obovate to oblanceolate; lateral nerves stout, strongly raised beneath; fruits 3.5–4.5 cm in diameter ……………………………………. 6. M. edulis
b.	Leaves mostly oblong-elliptic or narrowly so or sometimes obovate to oblanceolate (M. gamblei); lateral nerves slender, faint to prominent but not strongly raised beneath; fruits (unknown in M. dubia) up to 1.5 (–2.5) cm in diameter ………………. 6
6a.	Lateral nerves of leaves 14–25 pairs ……………..  7
b.	Lateral nerves of leaves 7–12 pairs …………………….  8
7a.	Lateral nerves of leaves 14–20 pairs; fruits 0.8–1.2 cm in diameter; fruiting pedicels 5–6 mm long ……………….   5. M. duthiei
b.	Lateral nerves of leaves 18–25 pairs; fruits 2–2.5 cm in diameter; fruiting pedicels 8–12 mm long …………………………    20. M. sharmae
8a.	Mature leaves tomentellous beneath; minor nervules conspicuously and finely reticulate-areolate on the upper surface ……………………………  22. M. tomentosa
b.	Mature leaves sparsely pubescent to glabrous beneath; minor nervules inconspicuous and obscure on the upper surface …………………… 9
9a.	Leaves 5–6 cm broad, apiculate at apex; panicles up to 16 cm long ………. 4. M. dubia
b.	Leaves 2–4 cm broad, apiculate to acuminate at apex; panicles 3–10 cm long …….  10
10a.	Fruits 10–15 mm in diameter; fruiting pedicels 5–10 mm long; leaves often turning dark reddish brown on both surfaces on drying …………………………….  11. M. kurzii
b.	Fruits 8–10 mm in diameter; fruiting pedicels 4–5 mm long; leaves turning pale brown or greenish-brown on both surfaces on drying …………………………  8. M. gamblei
11a.	Panicle branchlets and perianth segments tomentose to villous or densely pubescent..  12
b.	Panicle branches and perianth segments glabrous or sparsely puberulous …………..   15
12a.	Leaves stiffly coriaceous; lateral nerves faint above; panicles 4–6 mm long …………………….. 18. M. russellii
b.	Leaves thinly coriaceous; lateral nerves prominent above; panicles 7–28 cm long …. 13
13a.	Leaves usually unequal and rounded to obtuse at base, rounded to obtuse at apex; fruits 1–1.6 (–2) cm in diameter …………………….  14.1. M. macrantha var. macrantha
b.	Leaves equal and cuneate to acute at base, acute, apiculate to acuminate at apex; fruits 0.6–1 (–1.2) cm in diameter …………………….. 14
14a.	Leaves apiculate to acuminate at apex; lateral nerves 5–9 pairs; panicle branches tomentose to villous …………………………….. 14.2. M. macrantha var. glaucescens
b.	Leaves acute to apiculate at apex; lateral nerves 8–12 pairs; panicle branches sericeous ………………………. 19. M. sericea
15a.	Leaves unequal and rounded to obtuse at base …………… 16
b.	Leaves more or  less equal and cuneate to acute at base ……………………………… 17
16a.	Leaves 2.5–5.5 cm broad, glossy above, curved downwards along margins, acute to apiculate at apex; panicles sparsely branched ……………. 7. M. fruticosa, p.p.
b.	Leaves 5.5–10.5 cm broad, not glossy above, flat along margins, apiculate to acuminate at apex; panicles profusely branched ……………     21. M. sikkimensis
17a.	Leaves predominantly obovate, obovate-oblong to obovate-elliptic …….. 12. M. listeri
b.	Leaves predominantly oblong-elliptic to lanceolate-oblong ……………………….   18
18a.	Leaves 14–35 × 4–10 cm; minor nervules conspicuously foveolate-reticulate on the upper surface ………………………….  17. M. robusta
b.	Leaves 6–17 × 2–5.5 cm; minor nervules inconspicuous to faint or if prominent then not foveolate-reticulate on the upper surface ………………………………………     19
19a.	Leaves flat along margins ………………………….  20
b.	Leaves curved downwards along margins ……………………………………………. 22
20a.	Fruiting tepals reflexed …………………………  13. M. lohitensis
b.	Fruiting tepals clasping the base of fruits, reflexed at apex only ……………………. 21
21a.	Trees, 10–30 m high; leaves thinly to thickly coriaceous, glabrous on the undersurface …………………………. 3. M. declinata
b.	Trees, 4–5 m high; leaves chartaceous, sparsely appressed puberulous on the undersurface ……………………… 9. M. hedgei
22a.	Leaves apiculate to acuminate at apex; fruits ellipsoid, 1.5–2 × 1–1.3 cm ……………………………  16. M. parviflora
b.	Leaves obtuse, acute to apiculate at apex; fruits globose, 0.8–1 cm in diameter …….. 23
23a.	Leaves 2–2.5 cm broad, cuneate at base; lateral nerves 10–14 pairs … 1. M. bhaskarii
b.	Leaves 2.5–5.5 cm broad, obtuse to rounded or acute at base; lateral nerves 6–12 pairs …………………………………  7. M. fruticosa, p.p.

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From Floral Database of Tamilnadu :

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I have updated eFI (efloraofindia) page on Machilus & Persea

Attempts have been made to incorporate most of the species available in India & nearby areas with details & keys directly or through links as far as possible. It’s quite possible that there may be some discrepancy in the accepted names & synonyms taken from other links.

Species discussed so far in efloraofindia are given at the bottom of the page in the form of links against Subpages. On clicking them one can see all the details.

Any comments/ corrections are welcome.

Pl. go through Machilus & Persea (‎‎‎‎‎‎‎‎‎‎‎‎‎Lauraceae) page with images of species in efloraofindia.
If you find any incorrect identification, pl. let us know. If anybody can send images of other species of this genera (for incorporation in the website), if any, or can identify unidentified images, it will be really nice.